Snorkel MHP 15/44HD User manual

HD
Engine Powered
Gasoline
Battery Electric
Operator’s
Manual
P/N 12885A
March 2009 Rev F
From Serial Number NZ090324

LIMITED WARRANTY
Snorkel warrants each new machine manufactured and sold by it to be free from defects in material and workmanship for a
period of one (1) year from date of delivery to a Customer or for one year after the machine has been placed in first service in a
Dealer rental fleet, whichever comes first. Any part or parts which, upon examination by the Snorkel Service Department, are
found to be defective, will be replaced or repaired, at the sole discretion of Snorkel, through its local Authorized Dealer at no
charge.
Snorkel further warrants the structural components; specifically, the mainframe chassis, turntable, booms and scissor arms,
of each new machine manufactured by it to be free from defects in material and workmanship for an additional period of four
(4) years. Any such part or parts which, upon examination by the Snorkel Service Department, are found to be defective will
be replaced or repaired by Snorkel through its local Authorized Dealer at no charge; however, any labor charges incurred as a
result of such replacement or repair will be the responsibility of the Customer or Dealer.
The Snorkel Service Department must be notified within forty-eight (48) hours of any possible warranty situation during the
applicable warranty period. Personnel performing warranty repair or replacement must obtain specific approval by Snorkel
Service Department prior to performing any warranty repair or replacement.
Customer and Dealer shall not be entitled to the benefits of this warranty and Snorkel shall have no obligations hereunder
unless the “Pre-Delivery and Inspection Report” has been properly completed and returned to the Snorkel Service
Department within ten (10) days after delivery of the Snorkel product to Customer or Dealer’s rental fleet. Snorkel must be
notified, in writing, within ten (10) days, of any machine sold to a Customer from a Dealer’s rental fleet during the warranty
period.
At the direction of the Snorkel Service Department, any component part(s) of Snorkel products to be replaced or repaired
under this warranty program must be returned freight prepaid to the Snorkel Service Department for inspection. All warranty
replacement parts will be shipped freight prepaid (standard ground) from the Snorkel Service Department or from Snorkel’s
Vendor to Dealer or Customer.
REPLACEMENT PARTS WARRANTY
Any replacement or service part made or sold by Snorkel is not subject to the preceding Limited Warranty beyond the
normal warranty period of the machine upon which the part was installed.
THIS WARRANTY EXCLUDES AND SNORKEL DOES NOT WARRANT:
1. Engines, motors, tires and batteries which are manufactured by suppliers to Snorkel, who furnish their own warranty.
Snorkel will, however, to the extent permitted, pass through any such warranty protection to the Customer or Dealer.
2. Any Snorkel product which has been modified or altered outside Snorkel’s factory without Snorkel’s written approval, if
such modification or alteration, in the sole judgment of Snorkel’s Engineering and/or Service Departments, adversely
affects the stability, reliability or service life of the Snorkel product or any component thereof.
3. Any Snorkel product which has been subject to misuse, improper maintenance or accident. “Misuse” includes but is
not limited to operation beyond the factory-rated load capacity and speeds. “Improper maintenance” includes but is not
limited to failure to follow the recommendations contained in the Snorkel Operation, Maintenance, Repair Parts
Manuals. Snorkel is not responsible for normal maintenance, service adjustments and replacements, including but not
limited to hydraulic fluid, filters and lubrication.
4. Normal wear of any Snorkel component part(s). Normal wear of component parts may vary with the type application or
type of environment in which the machine may be used; such as, but not limited to sandblasting applications.
5. Any Snorkel product that has come in direct contact with any chemical or abrasive material.
6. Incidental or consequential expenses, losses, or damages related to any part or equipment failure, including but not
limited to freight cost to transport the machine to a repair facility, downtime of the machine, lost time for workers, lost
orders, lost rental revenue, lost profits or increased cost.
This warranty is expressly in lieu of all other warranties, representations or liabilities of Snorkel, either expressed or implied,
unless otherwise amended in writing by Snorkel’s President, Vice President-Engineering, Vice President-Sales or Vice
President-Marketing.
SNORKEL MAKES NO WARRANTIES WHICH EXTEND BEYOND THE DESCRIPTION OF THIS LIMITED WARRANTY.
SNORKEL MAKES NO IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
AND DISCLAIMS ALL LIABILITY FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES, INCLUDING BUT NOT
LIMITED TO INJURY TO PERSONS OR PROPERTY.
The Customer shall make all warranty claims through its local Authorized Dealer and should contact the Dealer from whom
the Snorkel product was purchased for warranty service. Or, if unable to contact the Dealer, contact the Snorkel Service
Department for further assistance.
Effective July 1995

MHP15/44HD – 12885A Rev F page - i
Electrical Hazard
■Electrical Hazard Warning
THE MHP15/44HD AERIAL WORK PLATFORM, IN STANDARD
CONFIGURATION, IS NOT ELECTRICALLY INSULATED.
If the platform, booms, or any other conductive part of a MHP15/44HD contacts a high-voltage electrical
conductor, the result can be SERIOUS INJURY or DEATH for persons on or near the machine.
GO NO CLOSER THAN THE MINIMUM SAFE APPROACH DISTANCES
(M.S.A.D) - AS OUTLINED IN TABLE 1. AND FIGURE 3.,
ON THE NEXT PAGE.
Be sure to allow for sag and sway in the wires and the work platform.
If a MHP15/44HD comes in contact with a live electrical conductor, the entire machine can be charged.
If that happens, you should remain on the machine and not contact any other structure or object within
reach. That includes the ground, adjacent buildings, poles, and any object not a part of the MHP15/44HD.
Such contact could make your body a conductor to the other object creating an electrical shock hazard re-
sulting in SERIOUS INJURY or DEATH.
DO NOT attempt to enter or leave the MHP15/44HD until you are sure the electricity has been turned off.
If a MHP15/44HD is in contact with a live conductor, the platform operator MUST warn others on the
ground in the vicinity of the MHP15/44HD to STAY AWAY from the machine, since their bodies can also
form a path for electricity to ground thus creating an electrical shock hazard with possible
ELECTROCUTION and DEATH.
DO NOT attempt to operate the MHP15/44HD ground controls when the platform, booms, or any other
conducting part of a MHP15/44HD is in contact with electrical wires or if there is an immediate danger of
such contact.
Regard all conductors as energized.
Personnel working on or near a MHP15/44HD must be continuously aware of electrical hazards, recogniz-
ing that SERIOUS INJURY or DEATH can result if contact with an electrical wire does occur.
DANGER

page - ii Rev F MHP15/44HD – 12885A
Electrical Hazard
■Minimum Safe Approach Distance
The MHP15/44HD is an all metal boom, NOT ELECTRICALLY INSULATED, aerial work platform. DO
NOT operate it near ELECTRICAL conductors. Regard all conductors as being energized. Use the table
and illustration below to determine safe clearance from electrical conductors. (Table 1 and Figure 3, be-
low, are from ANSI/SIA A92.5–1992 Standard, reprinted with permission of Scaffold Industry Association.)
❑Table 1 - (M.S.A.D.)
Minimum Safe Approach Distance
to energized (exposed or insulated power lines)
Voltage range Minimum safe approach distance
(phase to phase) (Feet) (Meters)
0 to 300V Avoid contact
over 300v to 50kv 10 3.05
over 50kv to 200kv 15 4.60
over 200kv to 350kv 20 6.10
over 350kv to 500kv 25 7.62
over 500kv to 750kv 35 10.67
over 750kv to 1000kv 45 13.72
❑Figure 3 - (M.S.A.D.)
Denotes prohibited zone
Danger:
Caution:
- Do not allow machine personnel or conductive
materials inside prohibited zone.
- Maintain M.S.A.D. From all energised lines and parts
as well as those shown.
- Assume all electrical parts and wires are energised
unless known otherwise.
- Diagrams shown are only for purposes of illustrating
M.S.A.D. Work positions, not all work positions.

Introduction
The most important chapter in this manual is the
safety chapter - Chapter 1. Take time, now, to study
it closely.
The information in Chapter 1, might save your life,
prevent serious injury, or damage to property or the
MHP15/44HD.
This introduction also contains important informa-
tion concerning the responsibilities of the owner of
this machine.
■Standard MHP15/44HD
The standard MHP15/44HD includes the following
features:
●Independently operated hydraulic stabilisers
●Heavy duty stabilisers
●Versatile jib boom
●Heavy duty tow coupling
●Heavy duty jockey wheel
●Hour meter
●Hydraulic disc brakes
●Steel platform - 2 person capacity
●High strength steel boom and base
construction
●Beam axle with 15" rims
●Reliable gasoline engine
●600V AC rated wire to platform
●Stabiliser/boom interlocks
●Gravity gate
●Dual position jockey wheel mountings
●LED taillights
●235 R15 x 75 tyres
■Options
The following options are available for the
MHP15/44HD:
●Automatic stabilisers
●Fibreglass basket
●Platform rotator
●Platform work lights
●360ocontinuous rotation
●Air line to platform
●Flashing light
●Flashing light, manually switched
●Lifting lugs
●10.9m height restriction kit, Australian Market
only
●Spare wheel
●240V outlet
●Battery isolate switch
●Powered jockey wheel
●Stabiliser hand pump
●Platform foot switch
●Low voltage insulation
●Alternative power options
❍Alternative gasoline engine
❍Diesel engine
❍110/240V AC motor and pump
❍Battery electric
■Operation Manual
This manual provides information for safe and
proper operation of the aerial platform.
Read and understand the information in this
Operator’s manual before operating this machine
on a job site.
Additional copies of this manual may be ordered
from Snorkel. Supply the model and manual part
number from the front cover to assure that the
correct manual will be supplied.
All information in this manual is based on the latest
product information at the time of publication.
Snorkel reserves the right to make product
changes at any time without obligation.
■Photographs
Photographs are taken to represent the machine
and its component parts as clearly as possible.
However, there may be minor differences between
the photographs and your machine. This repre-
sents individual customer preferences and Snor-
kel's on-going commitment to product
development.
■Safety Alerts
A safety alert symbol is used throughout this man-
ual to indicate danger, warning, caution, and im-
portant instructions. Follow these instructions to
reduce the likelihood of personal injury, property
damage, or damage to the machine.
The terms danger, warning, and caution indicate
varying degrees of personal injury or property dam-
age that can result if the instruction is not followed.
Denotes an imminently hazardous situation
which, if not avoided, will result in death or
serious injury.
MHP15/44HD – 12885A Rev F page - iii
DANGER
WARNING

Denotes a potentially hazardous situation
which, if not avoided, could result in death or
serious injury.
Denotes a potentially hazardous situation
which, if not avoided, may result in minor or
moderate injury.
It may also be used to alert against unsafe
practices or action which may result in
damage to the MHP.
Denotes important information pertaining to
settings, capacities, or conditions, which
could, if ignored, lead to machine damage or
future hazardous situations.
It is also used to alert the reader to pay
careful attention to a particular passage of
text in the manual.
Notes
Notes are used to provide special information or
helpful hints to assist in aerial platform operation,
but do not indicate a hazardous situation.
■Operation
The MHP aerial platform has built-in safety fea-
tures and has been factory tested for compliance
with Snorkel specifications and industry standards.
However, any personnel lifting device can be po-
tentially dangerous in the hands of untrained or
careless operators.
Training is vitally important and must be performed
under the direction of a QUALIFIED person. You
must display proficiency in knowledge and actual
operation of the MHP before using it on a job site.
Before operation of the MHP you must read and un-
derstand the operating instructions in this manual
as well as the decals, warnings, and instructions on
the machine itself.
Before operating the MHP you must be
AUTHORIZED by the person in charge to do so
and the operation of the MHP must be within the
scope of the machine specifications.
The potential for an accident increases when
the aerial platform is operated by personnel
who are not trained and authorised. death or
serious injury can result from such
accidents.
Read and understand the information in this
manual and on the placards and decals on
the machine before operating the MHP on
the job.
■Maintenance
Every person who maintains, inspects, tests, or
repairs these machines, and every person
supervising any of these functions, must be
properly trained and qualified to do so.
This Operators Manual provides a Pre-operational
Inspection procedure that will help you keep your
MHP in good operating condition.
Do not perform other maintenance unless you are a
trained mechanic, qualified to work on the MHP.
Call qualified maintenance personnel if you find
problems or malfunctions.
Do not modify this machine without written
approval from the Engineering Department of
Snorkel. Modification may void the warranty,
adversely affect stability, or affect the operational
characteristics of the MHP.
■Responsibilities of Parties
It is imperative that all owners and users of
the MHP read, understand, and conform to
all applicable regulations.
Ultimate compliance to OSHA regulations is the
responsibility of the user and their employer.
ANSI Standard A92.6 clearly identifies
requirements of all parties who might be
involved with Self-Propelled Elevating Work
Platforms.
AUSTRALIAN / NZ STANDARD 2550-10 Also
identifies the requirements of all parties who
might be involved with Boom-Supported
Elevating Work Platforms.
NOTE - Standards
It is the responsibility of the owner to ensure that
the person operating the MHP15/44HD is
provided with all the relevant information relating
to standards and codes of practice applicable in
their region.
❑In summary
●Only trained and authorised operators should
be permitted to operate the equipment.
page - iv Rev F MHP15/44HD – 12885A
Introduction
WARNING
IMPORTANT
IMPORTANT
IMPORTANT
CAUTION

●All manufacturers operating instructions and
safety rules and all employers safety rules
and all OSHA and other government or local
authority safety rules should be strictly
adhered to.
●Repairs and adjustments should be made
only by qualified and trained maintenance
personnel.
●No modification should be made to the
equipment without prior written consent of
the Snorkel Engineering Department.
●Make a pre-start inspection of the MHP at
the beginning of each shift. A malfunctioning
machine must not be used.
●Make an inspection of the work place to
locate possible hazards before operating the
MHP.
■Additional Information
For additional information, contact your local
dealer or Snorkel at:
Snorkel International,
PO Box 1041
Levin 5510
New Zealand
MHP15/44HD – 12885A Rev F page - v
Introduction

Table of Contents
Electrical Hazard
Electrical Hazard Warning ..................i
Minimum Safe Approach Distance ...........ii
Table 1 - (M.S.A.D.) .....................ii
Figure 3 - (M.S.A.D.) ....................ii
Introduction
Standard MHP15/44HD ...................iii
Options................................iii
Operation Manual........................iii
Photographs............................iii
Safety Alerts............................iii
Operation ..............................iv
Maintenance ...........................iv
Responsibilities of Parties .................iv
In summary ...........................iv
Additional Information .....................v
1. Safety
Safe Operation ........................1-1
Electrocution Hazards ...................1-1
Minimum safe approach distance .........1-1
Low Voltage Insulated Machines ..........1-2
Pre-start Inspection .....................1-2
Work Place Inspection and Practices .......1-2
Operation.............................1-3
Tipover and Falling Hazards ..............1-3
General Safety Precautions ..............1-4
Hydraulic System Precautions ............1-4
Fire Prevention ........................1-4
Engine and Fuel Handling Precautions......1-4
Batteries .............................1-5
10.9 Metre Restriction Kit ................1-5
Safety Decals and Placards ..............1-5
2 Safety - Low Voltage Insulation
Owner Responsibility...................2-13
Insulation Maintenance .................2-13
Electrical Safety Certificate ..............2-13
Basket Emergency Exit .................2-13
Earth Point...........................2-13
Safety Decals and Placards .............2-13
3. Safety Devices
Safety Device Information ................3-1
Emergency Stop Switches
Machines with Electric Controls ...........3-1
At ground control box ..................3-1
At platform control box .................3-1
Emergency Stop Switches
Machines with Hydraulic Controls ..........3-1
At ground control box ..................3-1
At platform control box
(steel platform) .......................3-2
At platform control box
(insulated fibreglass platform)............3-2
At platform control box
(non-insulated fibreglass platform) ........3-2
Other Safety Devices ...................3-2
Lanyard anchor points .................3-2
Gravity gate..........................3-3
Guardrails ...........................3-3
10.9m height restriction kit (Option) .......3-3
Foot switch ..........................3-3
Bubble level .........................3-3
RCD/ELCB AC outlet ..................3-4
Flashing light (Option)..................3-4
4. Specifications
General Specifications ..................4-1
Engine Data...........................4-2
Working Envelope - MHP15/44HD .........4-3
Nomenclature And Serial Numbers.........4-4
5. Gauges
Hourmeter ............................5-1
Level Bubble ..........................5-1
Hydraulic Oil Level .....................5-1
6. Shut-offs and Circuit Breakers
RCD/ELCB Outlet (option) ...............6-1
Main Circuit Breaker ....................6-1
Stabilisers ............................6-1
7. Controls - Electric
Controls Description ....................7-1
Controls and Control Decal Locations .....7-1
Ground Control Box.....................7-2
Lower controls: .......................7-2
Platform Control Box ....................7-3
Upper controls: .......................7-3
Stabiliser Controls ......................7-4
Self Levelling Stabilisers (Option) ..........7-4
8 Controls - Hydraulic
Controls Description ....................8-1
Controls and Control Decal Locations .....8-1
Ground Control Box.....................8-2
Lower controls: .......................8-2
Platform Control Box ....................8-3
Upper controls (steel basket):............8-3
Upper controls (insulated fibreglass basket): 8-4
Upper controls (non-insulated fibreglass
basket): .............................8-5
Stabiliser Controls ......................8-6
Self Levelling Stabilisers (Option) ..........8-6
MHP15/44HD – 12885A Rev F page - vii

9. Pre-operational Inspection
Pre-operational Inspection Table ..........9-1
Engine Cover..........................9-2
Engine Fuel Level ......................9-2
Fuel Tank Cap.........................9-2
Fuel Leaks............................9-2
Engine Oil Level .......................9-2
Wiring Harnesses ......................9-2
Battery Terminals ......................9-2
Battery Fluid Level......................9-3
Hydraulic Oil Level .....................9-3
Hydraulic Oil Leaks .....................9-3
Bolts and Fasteners ....................9-3
Wheels and Tyres ......................9-4
Structural Damage and Welds ............9-4
Lanyard Anchor Points ..................9-4
Platform Gravity Gate ...................9-5
Platform Guardrails .....................9-5
Flashing Light (option)...................9-5
Ground Control Switches
Machines with Electric Controls ...........9-5
Emergency Lower
Machines with Electric Controls ...........9-6
Lower control box .....................9-6
Upper control box .....................9-6
Platform Control Switches
Machines with Electric Controls ...........9-6
Ground Control Switches
Machines with Hydraulic Controls ..........9-7
Emergency Lower
Machines with Hydraulic Controls ..........9-7
Lower control station...................9-7
Upper control station...................9-7
Platform Control Switches
Machines with Hydraulic Controls ..........9-8
AC Outlet RCD/ELCB (option) ............9-9
LV Insulated MHP15/44HD ...............9-9
Insulation Covers .....................9-9
Fibreglass Basket .....................9-9
Boom insulation Covering ...............9-9
Cleanliness ..........................9-9
Placards and Decals ....................9-9
Placards and Decals
Machines with Electric Controls ...........9-9
Standard placards and decals ...........9-9
Placards and Decals
Machines with Hydraulic Controls ..........9-9
Standard placards and decals ...........9-9
Placards and Decals
Low Voltage Insulated Machines ..........9-9
Standard placards and decals ...........9-9
Decal list
machines with electric controls ..........9-10
Decal inspection drawing
machines with electric controls ..........9-11
Decal list
machines with hydraulic controls ........9-12
Decal inspection drawing
machines with hydraulic controls ........9-13
Decal list
low voltage insulated machines .........9-14
Decal inspection drawing
low voltage insulated machines .........9-15
10. Operation
Operating Procedures ..................10-1
Control Stations.......................10-1
Emergency Stopping ...................10-1
Emergency Stopping
Machines with Electric Controls ..........10-1
Emergency Stopping
Machines with Hydraulic Controls .........10-1
Operation Considerations ...............10-2
Stabiliser Operation....................10-2
Using the manual stabiliser valves .......10-2
Raising the manually operated stabilisers .10-3
Self levelling stabilisers (Optional) ........10-3
Setting the stabilisers manually .........10-3
Unlocking the booms...................10-3
Starting From Ground Control Box
Machines with Electric Controls ..........10-4
Starting From Platform Control Box
Machines with Electric Controls ..........10-4
Moving The Platform
Machines with Electric Controls ..........10-5
From ground control box...............10-6
From platform control box ..............10-6
Starting From Ground Control Box
Machines with Hydraulic Controls .........10-7
Moving The Platform
Machines with Hydraulic Controls .........10-8
From ground control box...............10-8
From platform control box ..............10-8
Over-Centre valve .....................10-9
Securing for Day .....................10-9
11. Emergency Operation
Emergency Operation Procedures ........11-1
Emergency Operation Procedures
Machines with Electric Controls ..........11-1
Operation from platform control box ......11-1
Operation from ground control position ...11-2
Emergency Operation Procedures
Machines with Hydraulic Controls .........11-2
Operation from platform control station ...11-2
Operation from ground control station ....11-3
page - viii MHP15/44HD – 12885A
Table of Contents

12. Stowing and Transporting
Stowing .............................12-1
The correct stowed position is shown here. 12-1
Transporting .........................12-2
Trailering ...........................12-2
Securing to a Transport Vehicle .........12-2
Towing..............................12-2
13. Options
Bi-Energy............................13-1
DC motor...........................13-1
DC motor operation...................13-1
DC motor battery switch ...............13-1
Setting the manual stabilisers...........13-1
Setting the automatic stabilisers .........13-2
Operation
Machines with Electric Controls .........13-2
Operation
Machines with Hydraulic Controls........13-2
Batteries ...........................13-2
Battery charger ......................13-3
Batteries - general maintenance.........13-3
Batteries - charging...................13-4
Other Options ........................13-4
Air Line To Platform....................13-4
Dual Fuel ............................13-4
Work Lights ..........................13-4
Flashing Light ........................13-4
Platform Rotator ......................13-4
Battery Isolate Switch ..................13-4
RCD/ELCB AC Outlet ..................13-4
Self Levelling Stabiliser .................13-4
10.9 Metre Height Restriction Kit .........13-5
Low Voltage Insulation .................13-5
Spare Wheel .........................13-5
Fibreglass Basket .....................13-5
Stabiliser Hand Pump ..................13-6
Powered Jockey Wheel.................13-6
14. Fire Fighting and Chemical Control
Hazardous Components ................14-1
Battery, Lead/Acid (UN 2794) ...........14-1
Gasoline (UN 1203) ..................14-2
Hydraulic Oil (UN 1270) ...............14-3
Motor Oil (UN 1270) ..................14-3
15. Operator's Troubleshooting
Troubleshooting.......................15-1
Operator Troubleshooting Chart .........15-1
Appendix A. Glossary
MHP15/44HD – 12885A Rev F page - ix
Table of Contents

1. Safety
■Safe Operation
Knowledge of the information in this manual, and
proper training, provide a basis for safely operating
the MHP15/44HD. Know the location of all the con-
trols and how they operate to act quickly and re-
sponsibly in an emergency.
Safety devices reduce the likelihood of an acci-
dent. Never disable, modify, or ignore any safety
device. Safety alerts in this manual indicate situa-
tions where accidents may occur.
If any malfunction, hazard or potentially unsafe
condition relating to capacity, intended use, or safe
operation is suspected, stop the operation of the
MHP and seek assistance.
The operator bears ultimate responsibility for
following all manufacturers instructions and
warnings, regulations and safety rules of their
employer and/or any country or regional law.
■Electrocution Hazards
The MHP15/44HD is an all metal boom aerial work
platform and is not electrically insulated.
Do not operate it near electrical conductors.
Regard all conductors as being energized.
Do not operate outside during a thunderstorm.
❑Minimum safe approach distance
Minimum safe approach distances to energised
power lines and their associated parts must be ob-
served wile operating the MHP.
Figure 1 - Minimum Safe Approach Distance
ANSI A92.5
The MHP is not electrically insulated. Death
or serious injury can result from contact
with, or inadequate clearance from, an
energised conductor.
Do not go closer than the minimum safe
approach distance.
ANSI publications define minimum distances that
must be observed when working near bus bars and
energised power lines. Figure 1 and Table 1 are re-
printed courtesy of the Scaffold industry Associa-
tion, ANSI/SIA A92.5.
Table 1 - Minimum Safe Approach Distance
ANSI 92.5
Australian Standard AS 2550.10 defines minimum
distances that must be observed when working
near live aerial conductors up to and including
133kV (see Figure 2).
Figure 2 - Minimum Safe Approach Distance
AS 2550.10
MHP15/44HD – 12885A Rev F page 1- 1
Denotes prohibited zone
Caution: - Diagrams shown are only for purposes of illustrating
M.S.A.D. Work positions, not all work positions.
DANGER
Voltage Range
(Phase to Phase
Minimum Safe Approach
Distance
Feet Metres
0 to 300V Avoid Contact
Over 300V to 50kV 10 3.05
Over 50kV to 200kV 15 4.60
Over 200kV to 350kV 20 6.10
Over 350kV to 500kV 25 7.62
Over 500kV to 750kV 35 10.7
No go zone
6.4
6.4
3
3
Spotter
required
zone
Variations
in Sag
Personal
protection
barriers
Sag
FRONT VIEW SIDE VIEW
Distribution Lines Up to and Including 133kV
(Dimensions are in metres)
CLEARANCES FROM LIVE AERIAL CONDUCTORS

■Low Voltage Insulated Machines
The only exception is for MHP15/44HD's which are
specifically built as low voltage insulated
machines.
These low voltage insulated machines are insu-
lated to 1000V AC RMS or 1500V DC.
If your machine is a low voltage insulated
model you will need to ensure that you read
Chapter 2 - "Safety - Low Voltage Insulation"
as well as this chapter.
■Pre-start Inspection
At the start of each work shift, the MHP15/44HD
shall be given a visual inspection and function test.
See the “Pre-operational Inspection and Mainte-
nance” chapter 9, in this manual for a list of items to
inspect and test.
DO NOT operate the MHP15/44HD unless
you are trained and authorized, understand
the operation characteristics of the
MHP15/44HD, and have inspected and
tested all functions to be sure they are in
proper working order.
NEVER use an MHP15/44HD that has a
known fault or is malfunctioning in any way
until the machine has been repaired by a
qualified technician.
Operating a machine in faulty condition
could result in death or serious injury.
NOTE:
Whilst some of the safety rules and guidelines
that follow may not apply specifically to this
machine (e.g. references to driving) they are
included as part of an overall safety strategy
relating to the use of elevating work platforms.
■Work Place Inspection and Practices
Do not use the MHP15/44HD as a ground for weld-
ing. Ground to the work piece.
Before the MHP15/44HD is used, and during use,
check the area in which the MHP15/44HD is to be
used for possible hazards such as, but not limited
to:
●Drop-offs or holes.
●Side slopes.
●Bumps and floor obstructions.
●Debris.
●Overhead obstructions and electrical
conductors.
●Hazardous locations.
●Inadequate surface and support to withstand
all load forces imposed by the aerial platform
in all operating configurations.
●Wind and weather conditions.
●Presence of unauthorized persons.
●Other possible unsafe conditions.
Before the MHP15/44HD is used, determine the
hazard classification of any particular atmosphere
or location according to ANSI/NFPA 505.
Any MHP15/44HD operated in a hazardous loca-
tion must be approved and of the type required by
ANSI/NFPA 505.
While operating the MHP a recommended safety
practice is to have trained and qualified personnel
in the immediate work area of the MHP15/44HD to:
●Help in case of an emergency.
●Operate emergency controls as required.
●Watch for loss of control by platform
operator.
●Warn the operator of any obstructions or
hazards that may not be obvious to them.
●Watch for soft terrain, sloping surfaces,
drop-offs, etc., where stability could be
jeopardized.
●Watch for bystanders and never allow
anyone to be under, or to reach through the
booms while operating the aerial platform.
Pinch points may exist between moving
components. Death or serious injury can
result from becoming trapped between
components, buildings, structures, or other
obstacles. Make sure there is sufficient
clearance around the machine before
moving the chassis, booms, or platform.
Allow sufficient room and time to stop
movement to avoid contact with structures
or other hazards.
Keep ground personnel from under the platform
when the platform is raised.
Secure all accessories, containers, tools, and
other materials in the platform to prevent them from
accidentally falling or being kicked off the platform.
page 1- 2 Rev F MHP15/44HD – 12885A
1. Safety
DANGER
DANGER
WARNING
IMPORTANT

Always look in the direction of travel. Drive with
care and at speeds compatible with the work-place
conditions. Use caution when driving over rough
ground, on slopes, and when turning.
Do not engage in any form of “horseplay” or “stunt
driving” while operating the MHP15/44HD.
Do not permit riders on the machine anyplace other
than on the platform.
Remove all loose objects stored in or on the ma-
chine, particularly in the platform. Remove all ob-
jects which do not belong in or on the machine.
Never steady the platform by positioning it against
another platform.
Do not operate an MHP15/44HD that is damaged
or not functioning properly. Do not use the MHP un-
til the machine has been repaired by a qualified
maintenance person.
Do not operate a MHP15/44HD that does not have
all its decals and placards attached and legible.
Watch for bystanders and never allow anyone to be
under, or to reach through, the machine and its
equipment while operating.
Use the recommended transport device when
loading the machine.
■Operation
If you encounter any suspected malfunction of the
aerial platform, or any hazard or potentially unsafe
condition relating to capacity, intended use, or safe
operation, cease operation immediately and seek
assistance from management.
Use three points of support when getting on or off
the platform (two hands and one foot or a similar set
of points). Keep the platform clean.
Maintain a firm footing on the platform floor. Oper-
ate the controls slowly and deliberately to avoid
jerky and erratic operation. Always stop the con-
trols in neutral before going in the opposite direc-
tion.
Do not dismount while the platform is in motion or
jump off the machine.
Do not start until all personnel are clearly away
from the machine.
Never cover the floor grating or otherwise obstruct
your view below. Make sure the area below the
platform is free of personnel before lowering.
■Tipover and Falling Hazards
Operate the MHP only on a firm, flat, level surface
capable of withstanding all load forces imposed by
the MHP15/44HD in all operating conditions.
The MHP can tip over if it becomes unstable.
Death or serious injury can result from a
tip-over accident. Do not drive or position
the MHP platform for elevated use near any
drop-ff, hole, slope, soft or uneven ground,
or other tip-over hazard.
Do not operate the MHP15/44HD from a position
on trucks, trailers, railway cars, floating vessels,
scaffolds, or similar equipment unless the applica-
tion is approved in writing by Snorkel.
Care shall be taken to prevent rope, electric cords,
and hoses, etc., from becoming entangled in the
aerial platform. If the platform or elevating
assembly becomes caught, snagged, or otherwise
prevented from normal motion by an adjacent
structure or other obstacle such that control
reversal does not free the platform, remove all
personnel from the platform before attempts are
made to free the platform using ground controls.
Under normal working conditions it is best not to
transfer from the platform to another structure or
vice versa, unless that is the safest way to do the
job. Each situation must be judged separately
taking the work environment into account. The
following guidelines apply:
1. Where possible, place the work platform over
a roof or walking structure to do the transfer.
2. Transfer your anchorage from one structure
to another before you step across.
3. Remember, you might be departing the work
platform to a structure where fall arrest is
required.
4. Do not climb over or through the guardrails.
Use the platform entrance.
All platform occupants MUST wear and use fall re-
straint. Attach fall restraints to the platform lanyard
anchor points.
Do not exceed the unrestricted platform capacity
as indicated on the capacity placard at the
entrance to the platform. Do not carry loads from
any point outside of the platform.
Make sure that all protective guards, cowlings, and
doors are in place and secure. Be sure the guard-
rail system, including the gate, is in place and se-
cure.
MHP15/44HD – 12885A Rev F page 1- 3
1. Safety
DANGER

Do not climb on the guardrails or use ladders,
planks, or other devices to extend or increase your
work position from the platform.
Do not use the MHP as a crane, hoist, or jack,or for
any other purpose other than to position personnel,
their tools, and materials.
Do not operate the MHP15/44HD in winds, or wind
gusts, of 28 mph, 45kph 12.5 m/s) or more.
Do not add banners, flags, screens or
shelters etc., to areas of the MHP that are
exposed to wind forces as this will increase
the wind loading and effect stability.
■General Safety Precautions
Do not modify the MHP15/44HD in any way.
When parts or components are replaced, they shall
be identical or equivalent to original Snorkel parts
or components.
Do not override any of the safety features of the
MHP15/44HD.
■Hydraulic System Precautions
The hydraulic system contains hoses with hydrau-
lic fluid under pressure.
Hydraulic fluid escaping under pressure can
have enough force to inject fluid into the
flesh. Serious infection or reaction can
result if medical treatment is not given
immediately. In case of injury by escaping
hydraulic fluid, seek medical attention at
once.
DO NOT place your hand or any part of your body in
front of escaping hydraulic fluid. Use a piece of
cardboard or wood to search for hydraulic leaks.
Do not attempt repairs to hydraulic systems unless
you are trained. Refer to experienced repair per-
sonnel for help.
■Fire Prevention
Never operate your MHP near a flame or spark. Hy-
draulic oil and gasoline are flammable and can ex-
plode.
NOTE:
This machine is equipped with an internal
combustion engine (in it's standard configuration)
and should not be used on or near any
unimproved forest-covered, brush-covered or
grass covered land unless the engine's exhaust
system is equipped with a spark arrester meeting
applicable laws. If a spark arrester is used, it
should be maintained in effective working order
by the operator.
■Engine and Fuel Handling Precautions
Engine exhaust contains carbon monoxide,
a poisonous gas that is invisible and
odorless. Breathing engine exhaust fumes
can cause death or serious illness. Do not
run the engine in an enclosed area or
indoors without adequate ventilation.
Only refuel your MHP outdoors in a clear area void
of gas fumes or spilled gas.
Never remove the fuel cap or refuel a gasoline en-
gine while the engine is running or hot. ALWAYS al-
low the engine to cool before refueling. Never allow
fuel to spill on hot machine components.
DO NOT smoke or permit open flames while
fueling or near fueling operations.
Maintain control of the fuel filler nozzle when filling
the tank.
ENSURE you use an approved fuel container
with appropriate fuel filler nozzle (see
picture below)
Do not fill the fuel tank to capacity. Allow room for
expansion.
If gasoline is spilled, clean up spilled fuel
immediately, push/tow the MHP away from the
area of the spill and avoid creating any source of
ignition until the spilled fuel has evaporated.
Tighten the fuel tank cap securely. If the fuel cap is
lost, replace it with an approved cap from Snorkel.
page 1- 4 Rev F MHP15/44HD – 12885A
1. Safety
WARNING
DANGER
CAUTION
DANGER

Use of a non-approved cap without proper venting
may result in pressurization of the tank.
Never use fuel for cleaning purposes.
For diesel engines, use the correct fuel grade for
the operating season.
■Batteries
Charge batteries in a well ventilated area free of
flame, sparks, or other hazards that might cause
fire or explosion.
Batteries give off hydrogen and oxygen that
can combine explosively. Death or serious
injury can result from a chemical explosion.
Do not smoke or permit open flames or
sparks when checking batteries.
Battery acid can damage the skin and eyes.
Serious infection or reaction can result if
medical treatment is not given immediately.
Wear face and eye protection, rubber gloves
and protective clothing when working near
batteries.
If acid contacts your eyes, flush immediately
with clear water and get medical attention. If
acid contacts your skin, wash off
immediately with clear water.
■10.9 Metre Restriction Kit
Machines that are built for the Australian market
may be fitted with a 10.9m restriction kit.
This kit is fitted to restrict the maximum height to
the platform floor at 10.9 meters from the ground.
This is to allow the unit to be operated by
unlicensed operators in accordance with Austra-
lian legislation.
The operator MUST hold a WP Certificate of
Competency in order to operate the machine
at heights in excess of 11m.
Note:
See the Options chapter page 5for details
concerning this kit.
■Safety Decals and Placards
There are a number of safety decals and placards
on the MHP15/44HD. Their locations and descrip-
tions are shown in this section on the following
pages. Take time to study them.
Be sure that all the safety decals and
placards on the MHP15/44HD are legible.
Clean or replace them if you cannot read the
words or see the pictures. Clean with soap &
water and a soft cloth. Do not use solvents.
Some decals and decal placement differs
between machines with electric controls and
those with hydraulic controls. Please ensure
that you refer to the correct drawing in the
following section.
(Drawings are labeled as 'Machines with
Electric Controls' or 'Machines with Hydraulic
Controls')
MHP15/44HD – 12885A Rev F page 1- 5
1. Safety
CAUTION
IMPORTANT
CAUTION
CAUTION
WARNING
WARNING

page 1- 6 Rev F MHP15/44HD – 12885A
1. Safety
FIT BOOM CRADLE LOCK PIN
FOR TRAVELLING.
1772-002K
OPERATORS CHECKLIST
INSPECT AND/OR TEST THE FOLLOWING DAILY
OR AT THE BEGINNING OF EACH SHIFT
1. OPERATING AND EMERGENCY CONTROLS.
5. CABLES AND WIRING HARNESS.
6. LOOSE OR MISSING PARTS.
7. TYRES AND WHEELS.
8. PLACARDS, WARNINGS, CONTROL MARKINGS
AND OPERATING MANUAL(S).
9. GUARDRAIL SYSTEM.
10.OIL LEVELS.
11.BATTERY FLUID LEVEL.
4. HOSES, FITTINGS AND VALVES FOR LEAKS.
3. PERSONAL PROTECTIVE DEVICES.
2. SAFETY DEVICES.
300699
YOU MUST NOT OPERATE THIS DEVICE UNLESS:
AN UNTRAINED OPERATOR SUBJECTS HIMSELF AND OTHERS TO
DEATH OR SERIOUS INJURY.
0323897
1.
2.
YOU HAVE BEEN TRAINED IN THE SAFE OPERATION OF THIS
DEVICE AND HHHH
YOU KNOW AND FOLLOW THE SAFETY AND OPERATING
RECOMMENDATIONS CONTAINED IN THE MANUFACTURER'S
MANUALS, YOUR EMPLOYER'S WORK RULES, AND APPLI-
CABLE GOVERNMENTAL REGULATIONS. HHHHHHHH
DANGER
ENGAGE
CRADLE LATCH
FOR TRAVELLING
DANGER
DO NOT ALTER OR DISABLE
LIMIT SWITCHES, SAFETY
SWITCHES, OR INTERLOCKS.451986
DANGER
MAXIMUM ALLOWABLE
WIND SPEED 12.5m/sec45198-7
300699
13205
7856-50
013-0025
13183
0323899
45198-7
1772-002-K
10036
0323897
451986
9223-3
BOTH SIDES OF
EACH STABILISER
WARNING
013-0025
Death or serious injury could occur from tipover.
All outriggers must be extended onto firm level surface
before elevating or before entering platform.
Do not exceed platform capacity.
DANGER
ELECTROCUTION
HAZARD
THIS MACHINE IS NOT
ELECTRICALLY INSULATED.
0323899
Death or serious injury can result from
contact or inadequate clearance to
electrical power lines and apparatus.
Maintain 10 feet minimum clearance
from electricalpower lines and
apparatus.
Allow for sway, rock, and sag.
MACHINES WITH ELECTRIC CONTROLS
MACHINE MUST BE
REMOVED FROM TOWING
VEHICLE BEFORE OPERATING
13183
WARNING
(From Serial Number NZ080622)
THIS MACHINE IS FITTED WITH A
10.9 METRE RESTRICTION KIT
13205
WARNING
SELECTION / OPERATION OF A
BOOM LENGTH IN EXCESS OF 11M
REQUIRES THE OPERATOR TO
HOLD A WP CERTIFICATE OF
COMPETENCY
TYRE PRESSURE
50psi 344kPa COLD
7856-50

MHP15/44HD – 12885A Rev F page 1- 7
1. Safety
FIT BOOM CRADLE LOCK PIN
FOR TRAVELLING.
1772-002K
FIT BOOM CRADLE LOCK PIN
FOR TRAVELLING.
1772-002K
OPERATORS CHECKLIST
INSPECT AND/OR TEST THE FOLLOWING DAILY
OR AT THE BEGINNING OF EACH SHIFT
1. OPERATING AND EMERGENCY CONTROLS.
5. CABLES AND WIRING HARNESS.
6. LOOSE OR MISSING PARTS.
7. TYRES AND WHEELS.
8. PLACARDS, WARNINGS, CONTROL MARKINGS
AND OPERATING MANUAL(S).
9. GUARDRAIL SYSTEM.
10.OIL LEVELS.
11.BATTERY FLUID LEVEL.
4. HOSES, FITTINGS AND VALVES FOR LEAKS.
3. PERSONAL PROTECTIVE DEVICES.
2. SAFETY DEVICES.
300699
YOU MUST NOT OPERATE THIS DEVICE UNLESS:
AN UNTRAINED OPERATOR SUBJECTS HIMSELF AND OTHERS TO
DEATH OR SERIOUS INJURY.
0323897
1.
2.
YOU HAVE BEEN TRAINED IN THE SAFE OPERATION OF THIS
DEVICE AND HHHH
YOU KNOW AND FOLLOW THE SAFETY AND OPERATING
RECOMMENDATIONS CONTAINED IN THE MANUFACTURER'S
MANUALS, YOUR EMPLOYER'S WORK RULES, AND APPLI-
CABLE GOVERNMENTAL REGULATIONS. HHHHHHHH
DANGER
DANGER
DO NOT ALTER OR DISABLE
LIMIT SWITCHES, SAFETY
SWITCHES, OR INTERLOCKS.451986
DANGER
MAXIMUM ALLOWABLE
WIND SPEED 12.5m/sec45198-7
300699
7856-50
013-0025
0323899
45198-7
1772-002-K
1772-002-K
0323897
451986
9223-3
BOTH SIDES OF
EACH STABILISER
WARNING
013-0025
Death or serious injury could occur from tipover.
All outriggers must be extended onto firm level surface
before elevating or before entering platform.
Do not exceed platform capacity.
DANGER
ELECTROCUTION
HAZARD
THIS MACHINE IS NOT
ELECTRICALLY INSULATED.
0323899
Death or serious injury can result from
contact or inadequate clearance to
electrical power lines and apparatus.
Maintain 10 feet minimum clearance
from electrical power lines and
apparatus.
Allow for sway, rock, and sag.
MACHINES WITH HYDRAULIC CONTROLS
13029
EMERGENCY
LOWERING
TO LOWER UPPER BOOM TURN
VALVE COUNTER CLOCKWISE
13029
TO LOWER LOWER BOOM, OPERATE
LOWER BOOM CONTROL
TO SLEW, OPERATE SLEW CONTROL
TO RETRACT FLY BOOM, OPERATE
FLY BOOM CONTROL
13183
(From Serial Number NZ080622)
MACHINE MUST BE
REMOVED FROM TOWING
VEHICLE BEFORE OPERATING
13183
WARNING
13205
THIS MACHINE IS FITTED WITH A
10.9 METRE RESTRICTION KIT
13205
WARNING
SELECTION / OPERATION OF A
BOOM LENGTH IN EXCESS OF 11M
REQUIRES THE OPERATOR TO
HOLD A WP CERTIFICATE OF
COMPETENCY
TYRE PRESSURE
50psi 344kPa COLD
7856-50

page 1- 8 Rev F MHP15/44HD – 12885A
1. Safety
DANGER
DO NOT ALTER OR DISABLE
LIMIT SWITCHES, SAFETY
SWITCHES, OR INTERLOCKS.451986
DANGER
DO NOT ALTER OR DISABLE
LIMIT SWITCHES, SAFETY
SWITCHES, OR INTERLOCKS.451986
TOWING SPEED
80
KPH
12424
50
MPH
MAXIMUM
45198-6
0070420 or 12753
7856-50
007-1925
45198-6
12424
9223-3
BOTH SIDES OF
EACH STABILISER
0071925
GASOLINE
MACHINES WITH ELECTRIC CONTROLS
EMERGENCY BLEED
DOWN VALVE
0070420
(On Engine Petrol Tank)
TYRE PRESSURE
50psi 344kPa COLD
7856-50