Hagie UpFront DTS 8T, Operator'S Manual

Page: 95 / 102

89
VIII.
TROUBLE SHOOTING
C. HYDROSTATIC SYSTEM
Set engine at operating RPM
before trying to move machine
Fill reservoir to proper level w/
approved oil; see section on
Service and Maintenance
Repair or replace
Replace filter
Check drive coupling
Replace pump
Inspect and tighten all fittings on
suction line
See section under charge
pressure
Switch relief valves from side to
side; If problem reverses,
replace multi-function valve (Call
Hagie Customer Support and
refer to parts manual)
SUGGESTED REMEDY PROBLEM POSSIBLE CAUSE
Machine won’t move in
either direction
Machine will move in only one
direction
Engine speed too low
Oil level in reservoir low
Control linkage
Clogged filter
Hydrostatic pump not turning
Faulty hydrostatic pump
Air leak in suction line
Low charge pressure
Faulty high pressure relief valve
DO NOT GO NEAR LEAKS. High pressure oil easily punctures skin causing
injury, gangrene, or death. If injured, seek emergency medical help. Immediate
surgery is required to remove oil. Do not use finger or skin to check for leaks.
Lower load or relieve hydraulic pressure before loosening fittings.