Vanair Viper Series Installation and operation manual

ROTARY SCREW AIR COMPRESSOR
OPERATOR’S MANUAL & PARTS LIST
P/N: 090058-OP_r0
Effective Date:
August-2014
NOTE
Use only Vanair Vanguard™
Premium Synthetic Oil and
Genuine Vanair Parts. Inspect
and replace damaged
components before operation.
Substituting non-Vanguard™
Oil or non-genuine Vanair filter
components WILL VOID THE
COMPRESSOR WARRANTY!
Vanair Manufacturing, Inc.
10896 West 300 North
Michigan City, IN 46360
Phone: [phone]
[phone]
Service Fax: [phone]
Parts Fax: [phone]
Sales Fax: [phone]
www.vanair.com
KEEP THE MANUAL
WITH THE VEHICLE
Read this manual before
installing, operating or
servicing this equipment.
Failure to comply with the
operation and maintenance
instructions in this manual
WILL VOID THE EQUIPMENT
WARRANTY.
NOTE
Making unauthorized
modifications to the system
components WILL VOID THE
WARRANTY!
Always inform Vanair
Manufacturing, Inc., before
beginning any changes to the
Viper Diesel system.
NOTE
This publication contains the
latest information available at
the time of preparation. Every
effort has been made to ensure
accuracy. However, Vanair
Manufacturing, Inc. takes no
responsibility for errors or
consequential damages
caused by reliance on the
information contained herein.
Vanair Manufacturing, Inc.
reserves the right to make
design change modifications
or improvements without prior
notification.
©2014 Vanair Manufacturing, Inc.
All rights reserved.

The rotary screw compressor unit is warranted for life when adhering to the prescribed maintenance schedule.
The hydraulic motor on the hydraulic Viper is warranted for two (2) years. This warranty does not cover damage
caused by accident, misuse or negligence. If a compressor unit is disassembled the warranty is void. Any
disassembly of major components must be approved by Vanair to avoid voiding of warranty. All other parts
including the compressor unit shaft seal are warranted for twelve (12) months subject to the same conditions
mentioned previously. Any and all such claims for warranty consideration must be coordinated prior to work being
performed through the Warranty-Service Department at the address below. Do not return parts without prior
authorization.
Warranty is limited to the supply of replacement parts failing within the warranty period. Credit for labor required to
refit replacement parts is NOT included. All warranted parts are to be shipped PREPAID to VANAIR. Replacement
parts will be shipped back to the customer by VANAIR via ground shipment. Cost to expedite delivery of
replacement parts will be incurred by customer.
Warranty will commence upon receipt of the Warranty Registration Card. If the Warranty Registration Card is not
received within six (6) months, the warranty commencement date shall be thirty (30) days from the date of
shipment from VANAIR. Records of warranty adherence are the responsibility of end user.
This statement of warranty is expressly in lieu of and disclaims all other express warranties, implied warranties of
merchantability and fitness for a particular purpose and all other implied warranties which extend beyond the
description on the face hereof. In no event shall Vanair be responsible for special, indirect, incidental,
consequential or punitive damages of any kind, including without limitation, lost profits or other monetary loss,
whether or not any such matters or causes are within Vanair's control or due to negligence or other fault of Vanair,
its agents, affiliates, employees or representatives.
This warranty shall be void and VANAIR shall have no responsibility to repair, replace or repay the purchase price
of defective or damaged parts resulting from the use of or repair of replacement parts or fluids not of VANAIR'S
manufacture or from buyer's failure to store, install, maintain and operate the compressor according to the
recommendations contained in the Manual.
All claims under the Warranty shall be made by contacting VANAIR Warranty-Service Department.
Please note that engines are warranted separately by the engine manufacturer. Consult engine manual.
Register Your Warranty Online at www.vanair.com under the Support Tab!
Or Call: [phone] • Fax: [phone]
Mail to: 10896 W 300 North • Michigan City, IN 46360
Effective February 11, 2013
WARRANTY: VIPER SERIES AIR COMPRESSORS

DIESEL VIPER TABLE OF CONTENTS
090058-OP_r0 (AUGUST-2014) PAGE - I
TABLE OF
CONTENTS
VANAIR MANUFACTURING, INC.
[phone] • www.vanair.com
WARRANTY ............................................... BEHIND COVER
TABLE OF CONTENTS...................................................... I
WARRANTY CLAIMS PROCEDURE ................................ V
CLAIMS PROCESS FOR WARRANTED PARTS..................................................................................... V
PROCEDURE........................................................................................................................................... V
SECTION 1: SAFETY .....................................................1
1.1 GENERAL INFORMATION......................................................................................................1
1.2 DANGERS, WARNINGS, CAUTIONS AND NOTES...............................................................1
1.3 SUMMARY OF DANGERS, WARNINGS CAUTIONS AND NOTES.......................................1
1.3.1 DANGERS.......................................................................................................................................................1
1.3.2 WARNINGS......................................................................................................................................................1
1.3.3 CAUTIONS.......................................................................................................................................................2
1.3.4 SAFETY DECALS............................................................................................................................................3
1.4 DISPOSING OF MACHINE FLUIDS .......................................................................................3
SECTION 2: SPECIFICATIONS..........................................5
TABLE 2A: SPECIFICATIONS FOR VIPER DIESEL ROTARY SCREW COMPRESSOR........................5
SECTION 3: INSTALLATION..............................................7
3.1 MACHINE PACKAGE RECEIPT/INSPECTION............................................................................7
3.2 INSTALLATION INSTRUCTIONS.................................................................................................7
3.3 INSTRUMENT PANEL RELOCATION .........................................................................................8
FIGURE 3-1: DIMENSION DIAGRAM - PART 1 OF 2..............................................................................8
FIGURE 3-1: DIMENSION DIAGRAM - PART 2 OF 2..............................................................................9

TABLE OF CONTENTS DIESEL VIPER
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[phone] • www.vanair.com
SECTION 4: OPERATION................................................ 11
FIGURE 4-1: MAIN MACHINE COMPONENT LOCATIONS ................................................................. 10
4.1 GENERAL INFORMATION..........................................................................................................11
4.2 INSTRUMENTATION..................................................................................................................11
4.2.1 DIGITAL DISPLAY SCREEN ................................................................................................................................11
4.2.2 SCROLL SELECTOR ROCKER SWITCH...........................................................................................................11
4.2.3 ON AND STOP SELECTION KEY SWITCH........................................................................................................11
4.3 INITIAL START-UP PROCEDURE..............................................................................................11
4.4 SHUTDOWN PROCEDURE ...................................................................................................... 12
4.5 SUBSEQUENT START-UP PROCEDURE ................................................................................ 12
4.6 CONTROLLER GUIDE............................................................................................................... 12
4.6.1 HOME SCREEN..................................................................................................................................................13
4.6.2 SPLASH SCREEN ..............................................................................................................................................13
4.6.3 ADJUSTING USER SETTINGS..........................................................................................................................13
4.6.3.1 PARAMETERS.............................................................................................................13
4.6.3.2 AUTO SHUTDOWN................................................................................................... 13
4.6.3.3 AUTO CRANK.............................................................................................................13
4.6.3.4 SLEEP STATE TIMER ................................................................................................13
4.6.4 SETTING PRESSURE.........................................................................................................................................13
4.6.5 SAFETY...............................................................................................................................................................13
4.6.6 SERVICE INTERVALS........................................................................................................................................14
4.7 OPERATING CONDITIONS ....................................................................................................... 14
4.8 EXTREME CONDITIONS...........................................................................................................14
SECTION 5: MAINTENANCE...........................................15
5.1 GENERAL INFORMATION ........................................................................................................ 15
5.2 ROUTINE MAINTENANCE SCHEDULE.................................................................................... 15
5.3A MAINTENANCE SCHEDULE TABLE - COMPRESSOR INTERVALS....................................... 17
5.3B MAINTENANCE SCHEDULE TABLE - ENGINE INTERVALS................................................... 18
5.4 REPLACEMENT PARTS............................................................................................................21
5.5 PARTS REPLACEMENT AND ADJUSTMENT PROCEDURES................................................ 21
5.5.1 ADJUSTING THE ENGINE SPEED.....................................................................................................................21
5.6 SERVICING THE SYSTEM FUSES AND CIRCUIT BREAKER ................................................ 21
5.7 STORAGE AND INTERMITTENT USE...................................................................................... 21
5.7.1 INTERMITTENT USE................................................................................................................................................22
5.7.2 LONG TERM STORAGE ..........................................................................................................................................22

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VANAIR MANUFACTURING, INC.
[phone] • www.vanair.com
SECTION 6: TROUBLESHOOTING .................................23
6.1 GENERAL INFORMATION.........................................................................................................23
6.2 TROUBLESHOOTING GUIDE....................................................................................................24
6.3 EXTREME CONDITION OPERATION........................................................................................28
6.3.1 HIGH MOISTURE CONDITION: EMULSIFICATION OF OIL IN
ROTARY SCREW COMPRESSOR SYSTEMS....................................................................................................28
TABLE 6.3A HIGH MOISTURE CONDITION OPERATION.......................................................29
6.3.2 COLD WEATHER OPERATION...........................................................................................................................29
TABLE 6.3B COLD WEATHER OPERATION............................................................................30
6.3.3 HIGH TEMPERATURE OPERATION...................................................................................................................30
TABLE 6.3C HIGH TEMPERATURE OPERATION....................................................................31
6.3.4 HIGH DUST CONTENT OPERATION..................................................................................................................31
TABLE 6.3D HIGH DUST CONTENT OPERATION...................................................................31
6.3.5 HIGH ALTITUDE OPERATION.............................................................................................................................32
SECTION 7: ILLUSTRATED PARTS LIST.......................33
7.1 PARTS ORDERING PROCEDURE............................................................................................33
TABLE 7A: RECOMMENDED SPARE PARTS LIST...............................................................................34
TABLE 7B: MACHINE OPTIONS LIST ....................................................................................................34
TABLE 7C: MAINTENANCE TRACKING LOG........................................................................................35
7.2 COMPRESSOR REPLACEMENT PARTS ................................................................................36
7.3 AIREND AND ATT......................................................................................................................38
7.4 ENGINE AND DRIVE PARTS (1 OF 2).......................................................................................40
7.4 ENGINE AND DRIVE PARTS (2 OF 2).......................................................................................42
7.5 COOLING SYSTEM (PART 1 OF 2)...........................................................................................44
7.5 COOLING SYSTEM (PART 2 OF 2)...........................................................................................46
7.6 CANOPY AND FRAME PARTS..................................................................................................48
7.7 COMPRESSOR THERMAL CONTROL .....................................................................................50
7.8 INSTRUMENT PANEL................................................................................................................50
7.9 ELECTRICAL SYSTEM..............................................................................................................52
7.10 FUEL TANK ASSEMBLY............................................................................................................54
7.11A DECALS (LOCATION)................................................................................................................56
7.11B DECALS (IDENTIFICATION)......................................................................................................57
7.11C DECALS (PART NUMBERS)......................................................................................................58
7.12 WIRING DIAGRAM.....................................................................................................................59
7.13 SCHEMATIC FLOW DIAGRAM..................................................................................................60
7.14 HOSE INSTALLATION GUIDE....................................................................................................61

TABLE OF CONTENTS DIESEL VIPER
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VANAIR MANUFACTURING, INC.
[phone] • www.vanair.com

VIPER DIESEL WARRANTY PROCEDURE
090058-OP_r0 (AUGUST-2014) PAGE - V
VANAIR MANUFACTURING, INC.
[phone] • www.vanair.com
CLAIMS PROCESS FOR
WARRANTED VANAIR PARTS
This process must be used by owners of
Vanair®equipment in situations where a
warranted item needs repair or replacement
under the terms of the purchase warranty.
Do not return items to Vanair without prior
authorization from the Vanair Warranty
Administrator.
PROCEDURE:
When a customer needs assistance in
troubleshooting a system and/or returning
parts, follow the steps below.
1. Locate the machine’s serial number:
The machine package serial number plate is
located inside the machine compartment on
the floor near to the engine air filter mounting
location (see Figure W-1).
The engine and the compressor also have
individual serial numbers respectively (see
Figure W-1). For engine warranty issues,
consult the Engine Operator’s Manual for
the engine’s limited warranty details. For
particular compressor unit issues, the
compressor serial number may be needed.
In any case, engine and/or compressor
issues can be confirmed using the machine
serial number as found in Figure W-1.
2. Have a list of the symptoms/condition/
malfunctions along with any applicable
temperature and pressure readings, and
also the number of operational hours
available:
Note that the above information will also
need to be included on the Return Material
Authorization Form (per Step #6); this form
is necessary for warranty processing if the
warranty claim is deemed valid by the
service case review.
3. Contact the Vanair®Service Department
by phone [phone]) to speak with
a Service Technician.
4. Vanair Service will troubleshoot the
problem based on the information
provided by the customer, and attempt to
return the unit to service as quickly as
possible.
5. If the unit cannot be returned to service,
and Vanair determines this matter is a
warranty issue, the Service Technician
will assign an RMA (Return Material
Authorization) number that will provide
for the return of the item to Vanair for
analysis and a final determination as to
the item’s warranty status.
6. Warranty Claims are solicited via a
Return Material Authorization (RMA)
Form. This form can be obtained via
download from the web site, or requested
directly from the Vanair Service
Department:
Once a current form has been obtained,
follow the instructions given on the form to fill
in the information needed. This form is used
for the purpose of soliciting a warranty case.
All of the field information except for the
bottom section block fields, which includes
NOTE
The RMA number must be placed on the
outside of the package being returned.
WARRANTY CLAIMS
PROCEDURE

WARRANTY PROCEDURE VIPER DIESEL
PAGE - VI 090058-OP_r0 (AUGUST-2014) VANAIR MANUFACTURING, INC.
[phone] • www.vanair.com
Figure W-1: Machine Serial Number Location
800-526 -8817
260940
MODEL NUMBER
SERIAL NUMBER
MAXIMUM PRESSURE
COMPRESSOR INPUT RPM
ww w.va na i r.co m
Machine Serial Number
Engine Serial Number
Compressor Unit
Serial Number
Disposition of Goods, Notifications and
Additional Notes, will be required.
Customers have 30 days after the RMA
number is issued to return the item. If the
part is not returned within this period, the
RMA is void and any claims will be denied.
Before sending a warranty part to a
customer, Vanair®will need a P.O. or credit
card number to cover the cost of the part and
shipping. After the part is analyzed and
deemed to be covered under warranty,
Vanair will issue credit to the customer. All
parts eligible for warranty must have the
RMA number on the invoice at the time of
purchase.
No items can be returned “freight collect”.
Freight costs will be addressed at the time
the claim is closed. The customer pays any
additional costs for warranty parts delivered
through expedited services (i.e., Next Day,
Second Day).
VANAIR WILL NEVER ACCEPT ANY
INVOICES FOR PARTS RETURNED: ANY
PARTS RETURNED VIA INVOICE WILL BE
RETURNED FREIGHT COLLECT: NO
PARTS ARE TO BE RETURNED FREIGHT
COLLECT!
Vanair Mfg., Inc. strives to continuously
improve its customer service. Please forward
any questions, comments, or suggestions to
Vanair Service:
Phone: [phone], ext. 400 or toll free
844-VANSERV (826-7378)
Email: [e-mail]
NOTE
All labor claims or invoices must be
approved by the Vanair Warranty
Administrator prior to starting repair work
along with the cost of the repair. All paper
work associated with the returned item
and warranty repair cost must reference
the RMA number issued against the part,
and be forwarded to Vanair within 30 days
of the completion of work.

VIPER DIESEL SECTION 1: SAFETY
090058-OP_r0 (AUGUST-2014) PAGE - 1
VANAIR MANUFACTURING, INC.
[phone] • www.vanair.com
1.1 GENERAL INFORMATION
The products provided by Vanair®
Manufacturing, Inc., are designed and
manufactured for safe operation and
maintenance. But it is ultimately the
responsibility of the users and maintainers
for safe use of this equipment. Part of this
responsibility is to read and be familiar with
the contents of this manual before operation
or performing maintenance actions.
1.2 DANGERS, WARNINGS,
CAUTIONS AND NOTES
These boxes are labeled clearly with the title
block listing either Danger, Warning,
Caution, or other non-safety issue. They
draw attention to specific issues that are
pertinent to the safe and correct operation of
the machine.
The symbols shown and defined in Section
1: Safety are used throughout this manual
and on the machine to call attention to, and
identify, possible hazards.
The international warning symbol (shown
below) is used on all decals, labels and signs
that concern information pertaining to bodily
harm. When you see the international
warning symbol, pay extremely careful
attention, and follow the given instructions
or indications to avoid any possible hazard.
1.3 SUMMARY OF WARNINGS,
CAUTIONS AND NOTES
These boxed inserts are placed throughout
this manual in the sections where they apply.
This subsection is a general summary of
their contents.
1.3.1 DANGERS
• Keep tools or other conductive objects away
from live electrical parts.
• Never touch electrical wires or components
while the machine is operating. They can be
sources of electrical shock.
1.3.2 WARNINGS
•DO NOT EVER use this compressor as a
breathing air source. Vanair Manufacturing
Inc., disclaims any and all liabilities for
damage or loss due to fatalities, personal
injuries resulting from the use of a Vanair
compressor to supply breathing air.
•DO NOT perform any modifications to this
equipment without prior factory approval.
•DO NOT install this compressor in a
confined space that lacks proper
ventilation and airflow; breathing and
cooling air circulation must not be
compromised.
•DO NOT operate the compressor or any of
its systems if there is a known unsafe
condition. Disable the equipment by
disconnecting it from its power source.
Install a lock-out tag to identify the
IMPORTANT
Read this manual before operating or
servicing the Viper Diesel compressor
system. Failure to do could result in
damage equipment, bodily injury, or
death
SECTION 1:
SAFETY

SECTION1: SAFETY VIPER DIESEL
PAGE - 2 090058-OP_r0 (AUGUST-2014) VANAIR MANUFACTURING, INC.
[phone] • www.vanair.com
equipment as inoperable to other
personnel.
•DO NOT operate the compressor with
any by-pass or other safety systems
disconnected or rendered inoperative.
•DO NOT operate the equipment while
you are under the influence of alcohol or
drugs.
•DO NOT operate the equipment while
you are feeling ill.
•DO NOT attempt to service the
equipment while it is operating.
• Before performing maintenance or
replacing parts, relieve the entire system
pressure by opening a service valve
which will vent all pressure to the
atmosphere: remove all electrical power.
•DO NOT use the compressor for
purposes other than for which it is
intended. High pressure air can cause
serious and even fatal injuries.
•DO NOT operate the compressor
outside of its specified pressure and
speed ratings. (See Section 2:
Specifications or refer to the equipment
data plate.)
•DONOTuse flammable solvents or
cleaners for cleaning the compressor or
it parts.
•DO NOT operate the compressor in
areas where flammable, toxic, or
corrosive fumes, or other damaging
substance can be ingested by the
compressor intakes.
• Keep arms, hands, hair and other body
parts, and clothing away from fans, drive
shafts, and other moving parts.
•DO NOT wear jewelry, unbuttoned cuffs,
ties, or loose-fitting clothing when you are
working near moving/rotating parts.
•ALWAYS confine long hair when working
near moving/rotating parts.
•NEVER operate the equipment while
wearing a headset to listen to music or the
radio.
• Wear personal protective equipment
such as gloves, work shoes, and eye
and hearing protection as required for
the task at hand.
•DO NOT operate the compressor with
any guards removed or damaged, or
other safety devices inoperative.
•DO NOT operate the compressor in
enclosed or confined spaces where
ventilation is restricted or closed-off.
• Ensure that hoses connected to service
valves are fitted with correctly sized and
rated flow limiting devices which comply
with applicable codes. Pressurized
broken or disconnected hoses can whip
causing injuries or damage.
• Over speed is hazardous! NEVER
tamper with the governor components or
settings to increase the maximum
speed. Severe personal injury and
equipment damage can result if
operated at speeds above the maximum.
•DO NOT use tools, hoses, or equipment
that have maximum ratings below that of
this compressor.
• Keep metal tools, and other conductive
objects away from live electrical
components.
• Before performing maintenance or repair
operations on the compressor, ensure
that all power has been removed and
been locked out to prevent accidental
application.
•DO NOT assume that because the
compressor is in a STOPPED condition
that power has been removed.
• Use this compressor only to compress
atmospheric air. Use of this equipment
as a booster pump and/or to compress
any other gaseous or aerosol substance
constitutes improper use. It can also
cause damage or injuries. Such misuse
will also void the warranty.
• Install, operate, and maintain this
equipment in full compliance with all
applicable OSHA, other Federal, state,
local codes, standards, and regulations.
• When lifting objects, be aware of proper
lifting techniques to avoid injury.
•ALWAYS read and follow safety related
precautions found on containers of
hazardous substances.
•DO NOT play with compressed air. It can
cause serious injury.
1.3.3 CAUTIONS
• Check all safety devices for proper
operation on a routine basis.
• Ensure that no tools, rags, or other
objects are left on compressor drive
systems or near intakes.

VIPER DIESEL SECTION 1: SAFETY
090058-OP_r0 (AUGUST-2014) PAGE - 3
VANAIR MANUFACTURING, INC.
[phone] • www.vanair.com
• Keep the equipment clean when
performing maintenance or service
actions. Cover openings to prevent
contamination.
•DO NOT operate the compressor if
cooling air is not available (fan/cooler not
operating) or if lubricant levels are below
their specified minimum levels.
• Ensure all plugs, hoses, connectors,
covers, and other parts removed for
maintenance actions are replaced
before applying power to the
compressor.
• Avoid touching hot surfaces and
components.
• Ensure that electrical wiring, terminals;
hoses and fittings are kept in serviceable
condition through routine inspections
and maintenance. Replace any
damaged or worn components.
•DO NOT install safety devices and/or
replacement parts other than authorized
Vanair®replacement parts.
• Keep personnel out of line with, and
away from discharge opening of valves,
hoses and tools.
• Immediately clean up any lubricant or
spills.
1.3.4 SAFETY DECALS
Safety decals are placed onto, or located
near, system components that can present a
hazard to operators or service personnel. All
pertinent decals listed in Section 7.11A,
Decal Locations are located near a
component, which is subject to respect in
terms of safety precautions. Always heed the
information noted on the safety decals.
1.4 DISPOSING OF MACHINE
FLUIDS
Always dispose of machine fluids under the
guidance of all applicable local, regional and/
or federal law.
Vanair®encourages recycling when allowed.
For additional information, consult the
container label of the fluid in question.
WARNING
DO NOT REMOVE OR COVER ANY
SAFETY DECAL. Replace any safety
decal that becomes damaged or illegible.

SECTION 1: SAFETY VIPER DIESEL
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VANAIR MANUFACTURING, INC.
[phone] • www.vanair.com

VIPER DIESEL SECTION 2: SPECIFICATIONS
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VANAIR MANUFACTURING, INC.
[phone] • www.vanair.com
TABLE 2A: SPECIFICATIONS FOR VIPER DIESEL ROTARY SCREW COMPRESSOR
GENERAL SYSTEM
INFORMATION SPECIFICATION
ENGINE Diesel 25HP I
Engine Speed Idle Speed: 2200 RPM // Full Speed: 3600 RPM
Engine Oil Capacity Four (4) Quarts 15W40 (Refer to Engine Operator’s Manual for Extreme
Conditions)
Fuel Consumption 1.25 GPH at Full Engine Speed / Load Nine (9) Hour Runtime (one
gallon/hour @ 60% Duty Cycle)
Fuel Tank Capacity Nine (9) Gallons
Fuel Type Diesel Fuel II
Operating Temperature Limits +10 °F (-7°C) to 120 °F (49 °C) III
COMPRESSOR Single Stage, Oil Injected Rotary Screw
Model 80 CFM / 100 PSIG
70 CFM / 125 PSIG
60 CFM / 150 PSIG
High Altitude: 70 CFM / 100 PSIG
Inlet Control Electric
Air Filter Pleated Paper, Dry Type
Table continued on next page
I For specification and requirements regarding the Kubota®25 HP Diesel Engine, refer to the Engine Operator’s
Manual. IMPORTANT: Do not adjust the engine speed without first consulting the Vanair®Service Department
(refer to Section 5.5.1).
II Vanair recommends: Diesel Fuel Specification Type and Sulfur Content % (ppm) used must be compliant with all
applicable emission regulations for the area in which the engine is operated.
Engine manufacturer recommends a fuel sulfur content of less than 0.10% (1000 ppm). For fuels with a high sulfur
content 0.50% (5000 ppm) to 1.0% (10000 ppm) a more frequent engine oil and oil filter change schedule is needed
(approximately half). DO NOT USE fuels with a sulfur content greater than 1.0% (10000 ppm). For additional
information on fuel for this engine, consult Section 6.3 (Extreme Condition Operation), and the Engine Operator’s
Manual.
III With cold weather option kit temperature range expands to: -40 °F (-40 °C). Refer to Section 7, Table 7B for options
list.
NOTE: Specifications are subject to change without notice.
SECTION 2:
SPECIFICATIONS

SECTION 2: SPECIFICATIONS VIPER DIESEL
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[phone] • www.vanair.com
TABLE 2A: SPECIFICATIONS FOR VIPER DIESEL ROTARY SCREW COMPRESSOR (cont.)
GENERAL SYSTEM
INFORMATION SPECIFICATION
COMPRESSOR (specifications continued from previous page)
Oil Filter Spin-on Style
Oil Capacity / Type Air End - 3 Quarts // Machine - 4 Quarts (1 gallon) (Vanguard™
Premium Synthetic Oil)
Safety Relief Valve Setting 200 PSIG
Operating Pressure Range 75-100 (Maximum) PSI; Pressure setting is set at factory to 100 PSI, but
may be adjusted downward accordingly.
Electrical System 12 VDC
Cooling System Air to Oil Heat Exchanger
Instrumentation Display Run Hours, Fuel Level, Compressor Temperature, Pressure, RPM
I For specification and requirements regarding the Kubota®25 HP Diesel Engine, refer to the Engine Operator’s
Manual. IMPORTANT: Do not adjust the engine speed without first consulting the Vanair®Service Department
(refer to Section 5.5.1).
II Vanair recommends: Diesel Fuel Specification Type and Sulfur Content % (ppm) used must be compliant with all
applicable emission regulations for the area in which the engine is operated.
Engine manufacturer recommends a fuel sulfur content of less than 0.10% (1000 ppm). For fuels with a high sulfur
content 0.50% (5000 ppm) to 1.0% (10000 ppm) a more frequent engine oil and oil filter change schedule is needed
(approximately half). DO NOT USE fuels with a sulfur content greater than 1.0% (10000 ppm). For additional
information on fuel for this engine, consult Section 6.3 (Extreme Condition Operation), and the Engine Operator’s
Manual.
III With cold weather option kit temperature range expands to: -40 °F (-40 °C). Refer to Section 7, Table 7B for options
list.
NOTE: Specifications are subject to change without notice.

VIPER DIESEL SECTION 3: INSTALLATION
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VANAIR MANUFACTURING, INC.
[phone] • www.vanair.com
3.1 MACHINE PACKAGE
RECEIPT/INSPECTION
Upon receipt of the machine package,
inspect the exterior of the shipping crate for
signs of shipping/transit damage. Any
damage should be reported immediately to
the shipping company. Open the lid and
inspect the component parts and supports to
ensure that there has been no internal
movements of assemblies or components
which may have caused damage. To install
the Viper Diesel Compressor System, refer
to the following sections.
3.2 INSTALLATION INSTRUCTIONS
Refer to Figure 3-1 (parts 1 and 2), and the
following procedure:
1. Position the machine so that there is no
restriction of cooling air through the
enclosure (minimum of 12 inches from
front access side; minimum of six
inches from rear side. Cooling air
enters the enclosure through the front
and rear panels, passes through the
cooler, and exits through vents in the
end shroud.
2. Ensure that adequate height and
clearance exists to allow for the hood to
open (minimum of 49.9 inches from
mounting surface), and a clear passage
for service allowance to the
maintenance access panel located at
the back.
3. Mounting surface or support should be
adequate for the weight of the machine
and should be level for normal operation.
Mounting holes for four (4) 1/2” hold
down bolts are provided. Refer to
Section 7, Illustrations and Parts Lists
for additional installation and system
schematic drawings.
4. Service connections are conveniently
grouped at the end of the unit in the
base frame.
5. Electrical connections (system
designed for 12VDC negative ground).
Ensure all supply hoses and electrical wiring
are correctly specified, adequately supported
and do not touch or rest on any sharp edges.
Wiring should be protected with split loom to
prevent corrosion and consequently, loose
due to down time.
NOTE
Contact Vanair®at
[phone] / [phone]
Service Fax: [phone]
www.vanair.com
to report missing items, incorrect part
numbers, or other discrepancies.
DANGER
DO NOT install in enclosed spaces.
WARNING
ELECTRICAL HAZARD! Be sure the
battery is disconnected before starting
the installation.
NOTE
In order to prevent accidental damage to
vehicle components (fuel tanks, lines,
brake lines, wiring harnesses), note their
location before drilling any holes.
SECTION 3:
INSTALLATION

SECTION 3: INSTALLATION VIPER DIESEL
PAGE - 8 090058-OP_r0 (AUGUST-2014) VANAIR MANUFACTURING, INC.
[phone] • www.vanair.com
3.3 INSTRUMENT PANEL
RELOCATION
The Viper Diesel compressor allows for the
instrument panel to be remote mounted if it
better-suits the vehicle’s mounting allowance
space or the compressor’s functions. The
optional extension harness must be used for
remote panel installation (see Table 7B).
Please note that if relocating the panel, you
should re-apply any zip ties that were cut to
re-establish the cable wire to the new
location. Tying the wire at intervals may be
needed to secure the panel cable away from
moving objects or sharp edges during
operation.
Figure 3-1: Dimension Diagram - Part 1 of 2
NOTE
The dimensions listed in this diagram are
the minimum required clearance
distances needed for properly cooling the
machine. Additional clearance room may
be desired for easier access for control
and/or maintenance functions. 050848_r1_1of2
DISCLAIMER
If machine package is to be mounted
within a confined space such as beneath a
canopy, the unit must have a minimum of
eight (8) inch clearances on the front and
back sides for ventilation.

VIPER DIESEL SECTION 3: INSTALLATION
090058-OP_r0 (AUGUST-2014) PAGE - 9
VANAIR MANUFACTURING, INC.
[phone] • www.vanair.com
Figure 3-1: Dimension Diagram - Part 2 of 2
050848_r1_2of2
NOTE
The dimensions listed in this
diagram are the minimum
required clearance distances
needed for properly cooling the
machine. Additional clearance
room may be desired for easier
access for control and/or
maintenance functions.

SECTION 4: OPERATION VIPER DIESEL
PAGE - 10 090058-OP_r0 (AUGUST-2014) VANAIR MANUFACTURING, INC.
[phone] • www.vanair.com
KEY DESCRIPTION KEY DESCRIPTION KEY DESCRIPTION
ABATTERY KLIFTING BAIL UENGINE OIL DRAIN OUTLET/TUBE
BDIESEL FUEL PORT CAP LENGINE OIL FILL PORT CAP VENGINE AIR FILTER (HOUSING)
CCOMPRESSOR UNIT MCOOLER ASSEMBLY - ENGINE
RADIATOR WINLET VALVE SOLENOID
DCOMPRESSOR AIR INLET NCOOLER ASSEMBLY / COM-
PRESSOR OIL COOLER XCOMPRESSOR OIL DRAIN OUTLET/ TUBE
EPRESSURE RELIEF VALVE PENGINE OIL FILTER YCOMPRESSOR OIL LEVEL SIGHT
GLASS
FCOMPRESSOR OIL FILTER QRADIATOR FILL PORT ZCOMPRESSOR OIL FILL PORT
GCOMPRESSOR AIR FILTER
(HOUSING) RCOOLING FAN ASSEMBLY AA ENGINE OIL LEVEL/ DIPSTICK
INDICATOR I
HCOMPRESSOR AIR/OIL
SEPARATOR SCOOLANT RECOVERY TANK
JENGINE EXHAUST MUFFLER TRADIATOR DRAIN VALVE
I There is an oil dipstick indicator located on either side of the engine.
Figure 4-1: Main Machine Component Locations
B
C
F
E
D
G
H
A
T
S
Q
P
Y
Z
X
KLMN
J
V
W
UAA
R

VIPER DIESEL SECTION 4: OPERATION
090058-OP_r0 (AUGUST-2014) PAGE - 11
VANAIR MANUFACTURING, INC.
[phone] • www.vanair.com
4.1 GENERAL INFORMATION
Refer to Figure 4-1. The Vanair®Viper
Diesel compressor has a comprehensive
array of controls and indicators for optimum
machine performance. Understanding the
correct operation of the system will help to
distinguish between a properly functioning
system and a system that may be indicating
the beginning of a malfunction. The
information in the Operation Section will help
the operator to recognize and interpret the
readings to assure that the system is
performing optimally.
4.2 INSTRUMENTATION
Refer to Figure 4-2. The standard
instrument panel for the Viper Diesel
compressor features a digital display screen
with scrolling and operational rocker
switches.
4.2.1 DIGITAL DISPLAY SCREEN
The air pressure readout monitors service air
pressure and incorporates an over-pressure
shutdown function.
4.2.2 SCROLL SELECTOR ROCKER
SWITCH
The scroll selector rocker switch allows the
operator to navigate through the settings and
displays related to the machine’s functions
during operation.
4.2.3 ON AND STOP SELECTION KEY
SWITCH
The ON AND STOP selection key switch is
used to turn the machine on and off.
4.3 INITIAL START-UP
PROCEDURE
The following procedure should be used to
make the initial start-up of the compressor.
1. Position the compressor on a level
surface so that proper amounts of
liquid can be added, if required.
2. Check engine and compressor oil levels
and add oil, if necessary.
3. Fill fuel tank.
4. Connect air hose/piping to discharge.
5. Press and hold Start button for one (1)
second to turn on display.
6. Press and hold Start button a second
time for one (1) second to start Engine
cranking sequence.
7. Allow the machine to sufficiently warm-up
before operating.
NOTE
Before starting the Vanair Viper Diesel
compressor, read this section
thoroughly and familiarize yourself with
the controls and indicators - their
purpose, location and use.
NOTE
If start-up and shut-down procedures are
not followed, damage to the system and
its components may occur.
SECTION 4:
OPERATION

SECTION 4: OPERATION VIPER DIESEL
PAGE - 12 090058-OP_r0 (AUGUST-2014) VANAIR MANUFACTURING, INC.
[phone] • www.vanair.com
8. After the initial run, shut down machine
allow it to depressurize and top off
compressor oil sump, as required.
Inspect for any leaks, and tighten any
loose fittings.
4.4 SHUTDOWN PROCEDURE
1. Allow engine to run at idle for
approximately sixty (60) seconds.
2. Press the STOP button; NOTE: Allow the
compressor to blow down prior to re-
starting.
4.5 SUBSEQUENT START-UP
PROCEDURE
On subsequent starts, follow the procedure
explained below:
1. Check engine and compressor oils
and add oil, if necessary.
2. Fill the fuel tank.
3. Press and hold Start button for one (1)
second to turn on display.
4. Press and hold Start button a second
time for one (1) second to start Engine
cranking sequence.
5. Allow the machine to warm up
sufficiently before operating.
4.6 CONTROLLER GUIDE
Refer to Figure 4-2 for controller panel
display features. The electronic controller
supplied in the Diesel Viper package has
been designed to work in conjunction with
the linear actuator that operates the speed
control. When used properly, they will reduce
fuel consumption, remind the user when
periodic service is due, extend the useful life
IMPORTANT
In case of emergency where immediate
shutdown is required, this procedure is
not necessary.
Press the STOP button immediately.
WARNING
Engage stop button prior to opening
panel or servicing machine. Engine can
start at any time in Auto mode.
Figure 4-2: Controller Panel
A B C
KEY DESCRIPTION
AINSTRUMENT PANEL MODULAR DIS-
PLAY SCREEN: Display contains four lines,
20 characters/line.
BSCROLL SELECTOR ROCKER SWITCH
C ON/START AND STOP SELECTION
ROCKER SWITCH