FORM NO. 56043129 - SR 1900 -
37
SWEEPING SYSTEM
TROUBLESHOOTING GUIDE
Troubleshooting Guide
Symptom
Side broom(s) will not raise or lower.
Mechanical and Hydraulic functions
Note 1: Do all testing with the engine running at high speed, the main broom lowered (sweep
position) and the drive pedal activated (machine moving).
Note 2: The main broom magnetic switch S2 must be open and also the hopper interlock
switch S4 closed. for the main broom system (motors) to run. Operating the main broom will
automatically lower the side brooms. Press the side broom off button or raise the main broom
lever to raise the side brooms.
Side Broom(s) will not Raise
or Lower
Mechanical & Visual Checks
Inspect for possible
mechanical binding of:
• Side broom motor mount &
lift arm linkage damaged.
• Side broom lift cylinder rod
bent, rod oil seal leakage.
Hydraulic Checks
Possible internal blockage of
the side broom hydraulic
circuit oil path. * Remove,
Inspect & clean manifold
circuit components & hoses.
• @ port D the pilot check
valve and the pilot valve
cartridge.
• @ port F the L3 valve
cartridge, oil return to tank
circuit.
• Blockage @ Side broom
cylinder hose inlet & outlet
fittings
* Note: See hydraulic system manual section for system specifications and
troubleshooting information.
Содержание 56507009
Страница 5: ...FORM NO 56043129 SR 1900 5...
Страница 64: ...64 FORM NO 56043129 SR 1900 THIS PAGE IS INTENTIONALLY BLANK...
Страница 76: ...76 FORM NO 56043129 SR 1900 ENGINE HARNESS FOR GM 1 6L GAS Petrol Tier 3 ELECTRICAL SYSTEM...
Страница 77: ...FORM NO 56043129 SR 1900 77 ELECTRICAL SYSTEM ENGINE HARNESS FOR GM 1 6L LPG Tier 3...