Anthony Liftgates, Inc.
22
MTU-GLR Maintenance
www.anthonyliftgates.com
800-482-0003
Troubleshooting Chart
Problem
Possible Causes
Possible Solution
Platform lowers extremely slow.
Low oil level on power down models.
Fill reservoir. “4.1 Monthly Inspection”
on page 10.
Improper oil in hydraulic reservoir.
See Monthly Inspection. “4.1 Monthly
Inspection” on page 10.
Bushing wear where lift arms connect to
platform.
Replace bushings.
Damaged or kinked hydraulic hose.
Repair or replace.
Cylinder rod is scored, pitted, or bent.
Replace cylinder.
Flow control valve.
Remove flow control valve and hook
hydraulic hose directly to the cylinder.
If the cylinder operates properly, replace
the valve. “4.13 Checking Flow Control
Valve” on page 14.
Lowering valve.
Solenoid or cartridge may need cleaning
or replacement. See Maintenance
section. “4.8 Checking Lowering Valve
Cartridge and Solenoid” on page 13.
Platform raises partially and stops.
Load capacity has been exceeded.
Verify load capacity and adjust load
weight.
Structural damage.
Replace damaged parts.
Low Voltage.
Recharge battery (if less than 9 Volts).
Low pressure.
Refill reservoir. Check pump and motor.
“4.1 Monthly Inspection” on page 10.
Platform will not lower.
Platform operating area is not clear.
Clear area.
Structural damage.
Replace damaged parts.
Low Voltage.
Recharge battery (if less than 9 Volts).
Lowering valve.
See Maintenance section.
“4.8 Checking Lowering Valve Cartridge
and Solenoid” on page 13.
Hydraulic pump and motor.
Replace power unit.
Summary of Contents for MTU-GLR Series
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