LGMG SR0818E User manual

Maintenance Manual
SR0818E/SR1018E/SR1218E/SR1418E
Rough Terrain
Mobile Elevating Work Platform
△
!WARNING
Before operation and maintenance, the
drivers and service personnel shall
always read and thoroughly understand
all information in this manual. Failure to
do so may result in, fatal accidents or
personal injury.
This manual must be kept with this
machine at all times.
LINGONG HEAVY MACHINERY CO., LTD.

Rough Terrain Mobile Elevating Work Platform
Maintenance Manual
880*1230 mm 16 format 8 printed sheets
Fifth edition August 2022 1st printed
Lingong Heavy Machinery Co., Ltd.
Add: 12th Floor, Building 3, Lushangguoaocheng, 9777 Jingshi Road, Lixia District, Jinan,
China
Tel: [phone] Fax: [phone]
Technical service: 86-0531-67605017 Web: www.LGMG.com.cn
Accessories sales: 86-0531-67605016

Maintenance Manual of Rough Terrain
Mobile Elevating Work Platform
II
Contents
Foreword....................................................................................................III
Safety Precautions....................................................................................IV
Chapter 1 Maintenance...............................................................................1
1.1 Compliance....................................................................................... 3
1.2 Checking the Safety Manual............................................................. 3
1.3 Checking the Labels and Signs......................................................... 3
1.4 Checking for Damaged, Loose or Missing Parts............................... 3
1.5 Checking the Wires........................................................................... 4
1.6 Checking the Battery ........................................................................ 5
1.7 Checking the Electrical Contactors................................................... 5
1.8 Checking the Tires and Wheels........................................................ 5
1.9 Checking the Hydraulic Tank Vent Cap............................................. 6
1.10 Checking the Leakage of Hydraulic Oil........................................... 6
1.11 Checking the Hydraulic Filter .......................................................... 6
1.12 Replacing the Hydraulic Tank Air Filter............................................ 7
1.13 Checking the Hydraulic Oil Level.................................................... 7
1.14 Visual Inspection of the Hydraulic Oil.............................................. 8
1.15 Test or Replace the Hydraulic Oil.................................................... 8
1.16 Checking the Oil Level in the Reducer............................................ 9
1.17 Replacing the Reducer Gear Oil................................................... 10
1.18 Checking or Replacing the Scissor Arm Slide Block...................... 10
1.19 Regular Maintenance.................................................................... 10
1.20 Maintenance Schedule ..................................................................11
Chapter 2 Schematic Diagram ..................................................................13

Maintenance Manual of Rough Terrain
Mobile Elevating Work Platform
III
Foreword
You are welcome to purchase and use the mobile elevating work platform produced by Lingong Heavy
Machinery Co., Ltd. This machine is designed according to BS EN280-1:2022.This manual introduces
the mechanism, drive and operation, maintenance and adjustment, technical parameters and
maintenance adjustment data of mobile elevating work platform for safety guidance and proper
operation and maintenance of the machine.
How to get the best benefit from the machine is the goal we pursue together with you, which, to a great
extent, depends on whether you are familiar with the machine and the maintenance is careful and
comprehensive. We sincerely hope that you will be able to read this manual carefully before starting and
operating the machine for the first time and before repairing and servicing the machine, and that you are
familiar with the operation and maintenance described.
The illustrations and descriptions in this manual are correct at the time of publication, but the structure
and performance of our products are constantly being improved. Changes in design, operation and
maintenance instructions are subject to change without notice. For the latest information on the machine
and questions about this manual, please consult our company.
This manual is applicable to mobile elevating work platform. Users should strictly follow the maintenance
intervals specified in the maintenance schedule for maintenance.
This manual should always be placed at the specified location so that you can read it at any time. This
manual is part of the machine. When the ownership or use right of the machine are transferred, please
hand over this manual. If the manual is lost, damaged or illegible, please replace it in time!
This manual is copyrighted by Lingong Heavy Machinery Co., Ltd. and may not be copied or reproduced
without the written permission of the company.
△
! WARNING
Only personnel who have been properly trained and qualified to operate or maintain
this machine can operate, repair and maintain this machine.
Improper operation, maintenance, and repair are dangerous and can cause personal
injury and death.
Before any operation or maintenance, the operator shall thoroughly read this
manual. Do not operate, perform any maintenance or make any repairs on this
machine before reading and understanding this manual.
The user shall load the platform strictly according to the load rating of the platform.
Do not overload the platform or make any modifications to the platform without
permission from LGMG.
The operation regulations and preventions in this manual are only applicable for the
specified use of this machine.

Maintenance Manual of Rough Terrain
Mobile Elevating Work Platform
IV
Safety Precautions
Operators should be aware of and follow the current national and local safety regulations, and if there
are no national or local regulations, the safety instructions in this manual should apply.
Most of the accidents are caused by failure to follow the requirements on the machine operation and
maintenance. In order to avoid accidents, please read, understand and follow all warnings and
precautions in this manual and on the machine before operation and maintenance.
Safety precautions will be detailed in the “Safety” section of Chapter 1.
Since it is impossible to foresee all possible hazards, the safety instructions in this manual and on the
machine may not include all safety precautions. If you use the procedures and operations not
recommended in this manual, you must ensure that you and others are safe and the machine will not be
damaged. If you are not sure about the safety of certain operations, please contact us or your dealer.
The precautions for operation and maintenance specified in this manual are applicable only when the
machine is used for the intended purpose. If the machine is used for the purposes not covered in this
manual, our company will not assume any responsibility for safety. The safety responsibility in such
operations will be borne by the user and the operator.
Under no circumstances should the operations prohibited in this manual be performed.
The following markers are used to identify the safety information in this manual:
△
! DANGER - If not avoided, the dangerous consequence may result in serious injury or death.
This marker also means that if not avoided, it may cause serious damage to the machine.
△
! WARNING - If not avoided, the potentially dangerous consequence may result in serious
injury or death. This marker also means that if not avoided, it may cause serious damage to the
machine.
△
! CAUTION - If not avoided, it may cause mild or moderate injury. This marker also means
that if not avoided, it may cause damage to the machine or shorten the life of the machine

Maintenance Manual of Rough Terrain
Mobile Elevating Work Platform
1
Chapter 1 Maintenance

Maintenance Manual of Rough Terrain
Mobile Elevating Work Platform
2

Maintenance Manual of Rough Terrain
Mobile Elevating Work Platform
3
1.1 Compliance
1) You accept the proper training of safety
operation and machine maintenance, and
have corresponding aptitudes.
2) It is necessary to read, understand and
adhere to all safety regulations of this
manual, safety regulations of workplace
and applicable laws and regulations of
government.
3) Protective articles, such as safety helmet,
safety belt, work shoes, goggles and
protective clothing, have been equipped all
over the body, and the physical state is
excellent.
4) Operators can only conduct conventional
inspection and maintenance items as
specified in this manual.
5) Only technical maintenance personnel who
are trained and get corresponding
certificates may complete scheduled
maintenance.
6) Waste and old materials shall be disposed
according to government regulations and
work site rules.
7) Only LGMG approved parts and
consumables can be used.
8) Function test shall be always conducted
upon maintenance.
1.2 Checking the Safety
Manual
It is necessary for safe equipment operation to
keep the Operator and Safety Manual in good
condition. The manual shall be stored in a
container in the working platform provided by
each machine. An illegible or missing manual
will not provide the necessary safety and
operation information for safe operation.
1) Check that the storage container is on site
and in good condition.
2) Check that the Operator, Responsibility,
and Safety Manual is complete in the
storage container on the work platform.
3) Check that each page of the manual is
identifiable and in good condition.
4) Put the manual in the storage file box after
use.
△
! If you need to replace the manual,
please contact the company’s service
personnel.
1.3 Checking the Labels and
Signs
It is necessary for safe operating equipment to
keep all safety and instructions labels and signs
in good conditions. Labels are used to remind
operators and staff of the possible hazards
when operating this equipment. User operation
and maintenance information is also provided.
An illegible label does not remind the staff of
steps or hazards, and may also result in unsafe
operating conditions.
Refer to the label section in this manual and use
the label menu and instructions to check
whether all labels are in place.
Check all the labels for clarity and damage and
immediately replace any damaged or illegible
ones.
△
! If you want to replace the label,
please contact the company’s service
personnel.
1.4 Checking for Damaged,
Loose or Missing Parts
This check should be performed every 8 h or
every day.
Daily equipment status checks are necessary
for safe equipment operation and good
equipment performance. Incorrect location and
repair damage, and loose or missing parts may

Maintenance Manual of Rough Terrain
Mobile Elevating Work Platform
4
result in unsafe operating conditions.
1) Check the entire equipment for damage
and incorrect installation or loss of parts,
including:
Electrical components, wires and cables
Hydraulic hoses, joints, valve blocks,
hydraulic cylinders
Hydraulic tank
Wear pad
Tire and wheel
Limit switch, horn
Nuts, bolts and other fasteners
Platform extension
Platform entry port
Indicators and alarms
Safety arm
Scissor arm pins and fasteners
Platform control handle
Outrigger cover and foot pad
Check the entire machine for:
Crack in the weld or structural member
Check the platform, frame and chassis for
deformation or open welding
Dent or damage to the machine
Make sure all structural members and other
critical components are complete, and all
associated fasteners and pins are in the
right position and tightened
The platform guide rail has been installed,
the platform guide rail bolts are in place and
the bolts are properly tightened.
△
! CAUTION: If the platform must be
lifted to check the machine, make sure
the safety arm is in the right position.
See the "Operating Instruction"
section.
1.5 Checking the Wires
1) This check should be performed every 250
h or quarterly, whichever comes first.
2) It is important for safe operation and good
machine performance to keep the wires in
good conditions. Failure to find and replace
the burn-out, scratched, corroded or bent
wires will result in unsafe operating
conditions and damage to the parts.
Risk of electric shock/explosion
Contact with live circuits may cause serious
injury or death. Do not wear rings, watches or
other jewelry.
1) Check if the ground wire under the chassis
is missing or damaged.
2) Check the following areas for burn-out,
scratched, corroded, bent or loose wires:
Rear axle: Drive motor, limit switch
Tank side: Ground control unit inside, wire
harness connection, motor control unit,
Battery side: Battery, fuse, battery charger
Machine: Platform, platform control unit,
wire harness connection
3) Check whether all wire harness connectors
are coated with insulating grease:
Ground control unit
Platform control unit
Motor Control unit
Valve component
Limit switch
Sensor

Maintenance Manual of Rough Terrain
Mobile Elevating Work Platform
5
△
! NOTICE：Do not apply excessive
insulating grease to harness
connectors, pins or sockets.
1.6 Checking the Battery
Good battery condition is critical to normal
machine performance and safe operation.
Improper electrolyte levels or damaged cables
and wires may result in component damage and
dangerous situations.
△
! CAUTION: This check is not
required for machines that are
equipped with sealed or
maintenance-free batteries.
△
! WARNING: Risk of electric shock.
Contact with an electrical circuit may
result in death or serious personal
injury. Remove all rings, watches or
other accessories.
△
! WARNING: Risk of body injury.
The battery contains acidic substances.
Avoid spilling or touching the acid in
the battery. Soda and water can be
used to neutralize the overflowing
battery acid.
△
! CAUTION: This check should be
performed after the battery is fully
charged.
1) Wear protective clothing and goggles.
2) Make sure the battery cable is securely
wired and not corroded.
3) Make sure the battery lock bracket is
stable.
4) Remove the battery vent cap.
5) Check the battery acid level. If necessary,
fill the distilled water through a filling pipe at
the bottom of the battery. Do not add
excessive distilled water.
6) Install the vent cap.
△
! CAUTION: Adding a terminal
protector and an anti-corrosion sealant
can help eliminate the corrosion on the
battery terminals and cables.
1.7 Checking the Electrical
Contactors
This check should be performed every 250 h or
quarterly, whichever comes first.
It is important for safe operation of the machine
to keep the electrical contactor in good condition.
Failure to find the worn or damaged contactors
in a timely manner may endanger the work
conditions and cause component damage.
1) Open the battery side cover.
2) Visually check the following aspects of the
contactor:
Transitional burning
Transitional bending
Transitional pitting
△
! WARNING: Risk of burn. Contact
with an electrical circuit may result in
death or serious personal injury.
Remove all rings, watches or other
accessories.
△
! CAUTION: In the event of any
damage, the contactor should be
replaced.
1.8 Checking the Tires and
Wheels
This check should be performed every 250 h or
quarterly, whichever comes first.
It is important for safe operation and good
performance to keep the tires and wheels in

Maintenance Manual of Rough Terrain
Mobile Elevating Work Platform
6
good conditions. Failure of the tires and wheels
may cause the machine to roll over. Failure of
finding and repairing the problem in time may
cause damage to the machine.
1) Check the tire treads and sides for
scratches, cracks, punctures or other
abnormal wear.
2) Check the wheels for damage, bending or
cracking.
3) Check each lug nut for proper torque:
305±25N.m.
1.9 Checking the Hydraulic
Tank Vent Cap
This check should be performed every 100 h or
every month, whichever comes first.
An unobstructed hydraulic tank cover is
essential for good mechanical performance and
long service life. A dirty or clogged vent cap may
cause poor machine performance. Frequent
checks should be performed under the harsh
working environment.
①Remove the vent cap from the hydraulic
tank cover.
②Check the ventilation condition.
Result: Air can pass through the vent cap.
Result: If the air fails to pass through the vent
cap, clean or replace it. Proceed with step 3.
Note: When checking the tank cover for
ventilation, the air should pass freely.
○
3 Carefully clean the tank vent cap with a
mild solvent and dry it with low pressure
compressed air. Repeat step 2.
○
4Install the hydraulic tank vent cap.
1.10 Checking the Leakage of
Hydraulic Oil
Check for leakage every 8 h or every day.
△
! Risk of personal injury. Leaking
hydraulic oil under pressure can pierce
or burn skin.
1) Check the hydraulic oil sediments, oil drops
or oil residue in the following areas.
All hydraulic cylinders
All valve elements
All pipes and fittings
Reducer
Filter
Hydraulic tank
Hydraulic pump
Under the chassis
Axle
The ground area under the equipment.
1.11 Checking the Hydraulic
Filter
It should be checked or replaced every 500 h or
half a year.
△
! If the working environment is
dusty, this check should be performed
more frequently.
△
! Replacing the hydraulic filter is
necessary to maintain good machine
performance and long service life. A
dirty or clogged filter may cause the
machine performance degradation,
and continuous operation may result
in component damage. The filter
should be replaced more frequently in
extremely dirty working conditions.
△
! Risk of personal injury.

Maintenance Manual of Rough Terrain
Mobile Elevating Work Platform
7
Be careful of hot oil. Exposure to hot
oil may cause severe burns.
△
! This step should be performed
when the machine is stopped.
Replace the hydraulic tank return filter
1) This step should be performed every 500 h
or half a year, whichever comes first.
2) Replacing the return filter is essential for
good performance and service life of the
machine. A dirty or clogged filter may affect
the machine performance and continued
operation may result in parts damage. The
filter element should be replaced more
frequently in harsh working conditions.
Caution: Risk of burn
Be careful of hot oil. Exposure to hot oil may
cause severe burns.
①Remove the top cover of the oil tank.
②Remove the filter flange above the oil tank.
Remove the old filter.
③Install a new filter and tighten it.
④Record the date of replacement on the filter
with a marker.
⑤Remove all traces of oil spilled in the
replacement process.
⑥Turn the key switch to the ground control
unit and pull out the red emergency stop buttons
on the ground and platform control units.
⑦Press the lift function button.
⑧Check the filter components for oil leakage.
1.12 Replacing the Hydraulic
Tank Air Filter
It should be replaced every 1000 h or yearly,
and should be replaced more frequently in the
dusty working environment.
△
! This step should be performed
when the machine is stopped.
1) Remove the filter element.
2) Clean the inside of the cylinder and the end
cap with a wet cloth.
3) Install a new air filter element.
1.13 Checking the Hydraulic
Oil Level
It should be checked every 8 h or every day.
Maintaining the hydraulic fluid at the proper oil
level is essential for machine operation. If the
hydraulic oil is at an unsuitable oil level, the
hydraulic components may be damaged.
Through daily inspections, the inspector can
determine changes in the hydraulic oil level
which can indicate problems with the hydraulic
system.
△
! CAUTION: This step should be
performed when the platform is in the
retracted state and the machine is
stopped.
1) Park the equipment on a flat surface. The
platform is in the retracted state.
2) Check the oil mark on the hydraulic oil tank.
When the fork is in the stowed state, the

Maintenance Manual of Rough Terrain
Mobile Elevating Work Platform
8
hydraulic oil level should be at the "LH"
position of the level gauge (long level
gauge) or 1 / 2 - 2 / 3 position of the level
gauge (short level gauge). If necessary, fill
the hydraulic oil to the specified position.
Condition
Oil viscosity brand
-25℃＜The lowest
temperature
L-HV 32 low
temperature
hydraulic oil
-40℃＜The lowest
temperature≤-25℃
L-HS 32 Ultralow
temperature
hydraulic oil
The lowest
temperature≤-40℃
10# Aviation
hydraulic oil
1.14 Visual Inspection of the
Hydraulic Oil
Collect a sample of hydraulic oil and place in a
clear container. Visually inspect the hydraulic oil
for the following:
Color: oil should be a clear, light-honey
colored.
Appearance: oil should be clear and not
cloudy or visibly distorts the view through
the sight glass or container.
Contains no particles, foreign objects, or
other contamination.
The hydraulic oil can be inspected by smell
(can smell “hot” but not “burnt”) or rubbing
between fingers (should feel viscous and
free of any rough feel due to particles)
If the hydraulic oil passes all of the above
inspections, continue the scheduled
maintenance intervals. If the hydraulic oil fails
any of the above inspections, the hydraulic oil
must be tested by an oil distributor or replaced.
Note: If the hydraulic oil has not been replaced
for two years, the oil must be tested every
quarter by an oil distributor until the oil fails the
test and is replaced.After the oil has been
replaced, continue the scheduled quarterly
maintenance inspection.
1.15 Test or Replace the
Hydraulic Oil
The hydraulic oil should be changed every 2000
h or two years.
△
! If the hydraulic oil is not changed
during the two-year inspection, it
should be checked quarterly. The
hydraulic oil should be changed when
it is found unqualified after checking.
△
! This step should be performed
when the frame is in the retracted
position.
△
! When removing the hose
assembly or fitting, the O-ring or hose
end on the fitting must be replaced and
tightened to the specified torque
during installation.
Replace hydraulic oil and oil suction
filter
Park the vehicle on a level ground with the
vehicle in a stowed position.
1) Close the ball valve on the hydraulic tank (if
equipped).
△
! Component damage hazard. No
action can be taken when the ball valve
of the hydraulic tank is closed,
otherwise it will cause component
damage. If the ball valve is closed,

Maintenance Manual of Rough Terrain
Mobile Elevating Work Platform
9
remove the key from the key switch
and hang a warning sign on the
equipment.
△
! WARNING: Risk of body injury.
The sprayed hydraulic oil may
penetrate and burn the skin. Slowly
loosen the hydraulic connections to
gradually reduce the oil pressure.
Prevent hydraulic oil for spraying.
2) Remove the drain plug from the hydraulic
tank.
3) Completely drain the hydraulic oil in the
hydraulic oil tank into a suitable container.
In order to speed up the oil drain, open the
oil filler cap of the oil tank.
4) Remove the suction filter from the hydraulic
tank.
5) Flush the inside of the hydraulic oil tank
with a mild solvent.（First clean one side
with chemical cleaning agent. After drying,
rinse with clean hydraulic oil and drain the
cleaning oil.)
6) Clean the foreign matters adsorbed by the
ring magnet.
7) Install a new oil suction filter.
8) Install the upper drain plug.
9) Add the hydraulic oil into the hydraulic oil
tank until the liquid level is at the "LH"
position of the observation gauge (long
liquid level gauge) or 1 / 2 - 2 / 3 position of
the liquid level gauge (short liquid level
gauge). Overflow is strictly prohibited.
10) Wipe off hydraulic oil that may spill.
11) Open the ball valve on the hydraulic tank.
△
! Component damage hazard. After
installing the hydraulic tank, make
sure to open the two hydraulic tank
ball valves and fill the pump.
△
!NOTE: Make sure to use pipe
thread sealant when installing the
drain plug and filter.
12) Check the function of all machines through
a full cycle and check for oil leakage.
13) After a working cycle, recheck the oil tank
level and add oil to "LH" (long level gauge)
or 1 / 2 - 2 / 3 of the level gauge (short level
gauge).
1.16 Checking the Oil Level
in the Reducer
This step should be performed every 250 h or
quarterly.
Incorrect oil level in the reducer may result in
performance degradation and continuous
operation may result in component damage.
1) Rotate the drive unit until one plug is at the
highest position and has an angle of 90
degrees with the other plug.
2) Remove the other plug and check the oil
level.
Result: The oil level should be the same as the
bottom of the side plug hole.
3) When necessary, remove the upper plug
and fill the oil until the oil level is the same
as the bottom of the side plug hole.
4) Apply the pipe thread sealant to the plug
and install the plug in the reducer.

Maintenance Manual of Rough Terrain
Mobile Elevating Work Platform
10
5) Repeat this step for each reducer.
Condition
Oil viscosity brand
30°C＜The lowest
temperature
85W/140
-10°C＜The lowest
temperature＜30°C
85W/90
-30°C＜The lowest
temperature＜-10°C
80W/90
The lowest
temperature＜-30°C
75W
1.17 Replacing the Reducer
Gear Oil
The first maintenance should be performed after
50 h, and the second maintenance should be
performed at an interval of 1000 h or annually.
Changing the gear oil of the under is necessary
to maintain good equipment performance and
long service life. Failure to change the gear oil
each year may result in performance
degradation and continuous operation may
result in component damage.
1) Select the reducer to be serviced and drive
the equipment till one of the two plugs is at
the lowest point.
2) Remove the two plugs and drain the oil
completely in a suitable container.
3) Rotate the drive unit until one plug is at the
highest position and has an angle of 90
degrees with the other plug.
4) Fill the oil from the reducer’s filler hole at a
high point till the oil level is the same as that
in the side hole at the bottom. Install the
plug.
5) Repeat this step for oil filling of each
reducer.
1.18 Checking or Replacing
the Scissor Arm Slide Block
This step should be performed every 1000 h or
annually, whichever comes first.
1) The quality of the scissor arm slide block is
critical to the safe operation of the machine.
A worn slide block may result in component
damage and unsafe working problems.
2) The wear pad should be performed the
platform is retracted.
①Measure the height of the wear pads on the
chassis and platform rails.
Result: The measurement result is less than 8
mm. Replace the slide block.
②Apply lubricant between the chassis rail
and slide block, platform rail and slide block.
1.19 Regular Maintenance
Maintenance work on a quarterly, annual and
biennial basis must be performed by those who
are trained and qualified in the machine
maintenance according to the procedures
specified in the maintenance manual.
For a machine that has been idle for more than
three months, it must be checked quarterly
before it is put into operation again.

Maintenance Manual of Rough Terrain
Mobile Elevating Work Platform
11
1.20 Maintenance Schedule
Routine Inspection and Maintenance Intervals
△
! NOTE: The working hours are based on the engine working time, and the
operation cycle is calculated from the date of production.
Maintenance Period
Maintenance
level
Routine
inspection
Level 1
maintenance
100h
Level 2
maintenance
Level 3
maintenance
Level 4
maintenance
Level 5
maintenance
Maintenance
period
Daily
50h
100h
250h
500h
750h
1000h
Table of Maintenance Inspection Items
System
Operation,
inspection and
replacement items
Routine
inspection
Level 1
mainten
ance
100h
mainten
ance
Level 2
mainten
ance
Level 3
maintena
nce
Level 4
mainten
ance
Level 5
mainten
ance
Remark
s
Electric
al
system
Check the battery for
undervoltage
●
Check if the battery
terminals are loose
or rusted
●
Check if buttons on
the PCU panel
operate normally
●
Check if the PCU
harness connector is
connected firmly
●
Check if the PCU
harness connector is
stained
●
Check if the PCU
harness is extruded
or broken
●
Check if the angle
sensor and
inclinometer are
wired firmly
●
Check if limit switch
rocker arms are
wired loosely
●
Check the limit
switches on the fork
pulling plate guard
plate and the
stoppers for
misalignment,
deformation,
excessive wear, etc.
●
Check if the forward
and reverse solenoid
valve connector of
the walking pump is
loose
●
Check if buttons on
the ground control
panel operate
normally
●
Check if the warning
lamp and horn
function normally
●
Check if the solenoid
valve coils of main
valve block are wired
normally or loose
●
Check if the battery
terminals are loose
or rusted
●
Hydraul
Check if the system
●
●
●
●
●

Maintenance Manual of Rough Terrain
Mobile Elevating Work Platform
12
ic
system
pressure is normal
Check if the lifting
pressure system is
normal
●
●
●
●
●
Check if the steering
system pressure is
normal
●
●
●
●
●
Check the
permeability of the
hydraulic oil tank
exhaust cap
●
●
●
●
●
Check if the oil pipes
and joints are loose
Daily
Check if the oil
cylinder leaks oil
Daily
Check if the valve
spools leak oil
Daily
Check if the fork oil
pipe is fixed firmly
Daily
Check if the walking
oil pipe fixing clip is
loose
Daily
Check the oil level in
the hydraulic tank
Daily
Replace hydraulic oil
and suction filter
Every 2,000h or every two years, whichever comes first
Replace the air
cleaner
Every 1,000 hours or every year, whichever comes first
Check the reducer
for oil leakage
Daily
Change the reducer
gear oil
First 50h, thereafter every 1,000h or every year, whichever comes first.
Replace the return
oil filter element
Every 500h or every six months, whichever comes first.
Machin
e
Check the machine
slider for abnormal
noise
●
●
●
●
Check the slider
(replace it if
necessary)
●
●
●
●
●
●
Check the machine
bolts for looseness
or abnormal noise
●
Check the snap
springs and washers
of scissor arm for
failure
●
Check if the
emergency lowering
device is normal
●
Check the platform,
fork and chassis for
deformation or open
weld
●
Check if the vehicle
paint falls off
●
Check if the safety
identification is true
or stained
●
Lubrica
tion
Lubricate the fork
slider
●
●
●
●
●

Maintenance Manual of Rough Terrain
Mobile Elevating Work Platform
13
Chapter 2 Schematic Diagram

Maintenance Manual of Rough Terrain
Mobile Elevating Work Platform
14

Maintenance Manual of Mobile Elevating Work Platform
15
SR0818E/SR1018E/SR1218E--Electrical schematic diagram