163 50940193/DP0415
Seal and Hose Troubleshooting
Hydraulic System Troubleshooting
Battery voltage
Alternator not charging
properly.
Adjust V-belt tension.
Repair/replace alternator.
Engine air filter restriction
Air filter dirty/restricted.
Replace air filter(s). See
“Changing Air Filter
Elements” on page 139.
Blockage in air filter
housing.
Remove blockage.
Table 25: Seal and Hose Troubleshooting
Problem Possible Cause Corrective Action
Oil, coolant or fuel
leakage
Loose hose connection(s). Tighten hose connections.
Damaged seals or hoses. Change seals/hoses as necessary.
Hydraulic fluid
leakage
Loose fittings. Tighten hydraulic connections.
Seals, hoses or lines damaged.
Repair/replace seals, hoses or lines as
necessary.
Table 26: Hydraulic System Troubleshooting
Problem Possible Cause Corrective Action
Lift/tilt and drive
controls fail to
respond
Restraint bar raised. Lower restraint bar.
Solenoid valve malfunctioning.
Check electrical connections to pilot solenoid.
Repair/replace as necessary.
Hydraulic oil viscosity too
heavy.
Replace existing oil with proper viscosity oil.
See “Fluid Capacities/Lubricants” on page 183.
Allow longer warm-up.
Hydraulic oil level low.
Check oil level; Top off if necessary. See “Fluid
Capacities/Lubricants” on page 183 for proper
oil grade.
Check for external leaks; repair/replace as
necessary.
Hydraulic oil viscosity too
heavy.
Replace existing oil with proper viscosity oil.
See “Fluid Capacities/Lubricants” on page 183.
Allow longer warm-up.
Drive coupling failure. Repair/replace coupling.
Table 24: Indicator Lamp Troubleshooting
Indicator Icon Indicator Activated Possible Cause Corrective Action
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