© Jan 2022 5-18 0607SE Maintenance Manual
MAINTENANCE
BURN HAZARD
Allow the hydraulic oil to cool to
room temperature before servicing
the hydraulic system.
HIGH-PRESSURE HAZARD
Slowly remove the hydraulic
components to reduce hydraulic
oil pressure. High hydraulic oil
pressure could penetrate the skin.
Seek medical attention
immediately.
1. Remove the air filter from the hydraulic tank（for
the location, seeFig 5-6 , page 5-13）.
2. Install and tighten the new air filter.
3. Clean all oil spills during the replacement process.
4. Start the machine and inspect the filter and
hydraulic components to ensure no leakage exists.
C-2 Inspect Platform Weighing System
The platform weighing system is optional. Make sure
your machine has this protection function before
checking this function.
1. Park the machine on flat, level and firm ground.
Lubricate the bearings and sliding slots.
2. Using the ground controller, lift and lower the
platform without load for two cycles, and the
machine should operate without shaking or other
abnormities.
3. Lower the platform until the scissor arm is fully
stowed, and then gradually add load to the platform.
When the platform load does not exceed 230kg (507
lb), ensure that the platform is able to lift to the highest
position.
When the platform load is greater than 275 kg (606 lb),
the overload indicator light should be on and an alarm
should be triggered, with all movements of the machine
being restricted. Once the excess load is removed, the
platform should be able to move again.
NOTICE
When the temperature of hydraulic oil is low, the
viscosity will increase, which will have a significant
impact on the pressure detection. If the environmental
temperature difference between the terminal customer
and the machine manufacturer factory delivered by the
new machine ≧10℃ (50° F), or if the hydraulic oil
temperature is lower than 15℃ (59°F), an alarm failure
occurs when the rated load is lower than the standard
rated load (the "OL" symbol appears on the platform
controller screen or the ground controller screen),
please re-calibrate the weighing sensor.
C-3 Insepct Lift Limit Switch
1. Place the machine on a flat, level and firm surface.
2. Operating from the ground controls, raise the
platform to full height.
3. Measure the platform height (distance from the
ground to platform floor).
Indoor mode：5.5～5.6 m（18ft 0.5in～18ft
4.5in）
Outdoor mode：4.5～4.6 m（14ft 9in～15ft）
C-4 Inspect Staged Lowering
1. Place the machine on a flat, level and firm surface.
2. Operating on the ground using the platform
controls, raise the platform to full height.
3. When the platform lowers to approx. 1.8±0.3m（5ft
11in±1ft）off the ground, the machine should stop
lowering automatically.
4. Release the control handle and return to center, re-
activate the lowering function on the platform
controls, 5s later, the platform should continue
lowering.
CHECKLIST D
PROCEDURES
D-1 Inspect Scissor Arm Installation
Bearing
Effectively maintaining the scissor arm installation
bearing is important for proper operation of the
machine. Repeated use of an old bearing may damage
parts and cause unsafe operation.
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