red roo HT912, Инструкция по эксплуатации, безопасности и обслуживанию, Страница: 11 / 32

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RH912 TRENCHER TROUBLE SHOOTING GUIDE
A. Entire hydraulic system does not operate and the engine is not under load.
Broken or improperly adjusted clutch
(actuator) cable.
CAUTION!! Always use extreme care when trouble shooting or making adjustments on trencher.
Stay clear of chain and auger when engine is running. Stop engine before disassembling any component.
Hydraulic pump-to-engine coupler has
slipped
Low hydraulic oil in tank
See clutch cable and actuator arm adjustment.
Add oil until it shows in sight gauge
Check for wear and replace both coupler
halves and rubber spider, as needed.
1.
2
3.
.
B. Engine lugs down or dies and wheels and chain do not turn.
Rocks or other obstructions stopping chain.
Engine improperly tuned or maintained.
Trenching depth or speed too great for
soil conditions.
Reverse chain momentarily to free from obstruction.
Raise boom and stop chain. See if obstruction can
be removed from trench.
Decrease ground speed or trenching depth.
See engine manual and correct as needed.
5.
Engine losing power due to wear.
See engine manual.
4.
Low oil alert causes engine to shut down.
This may occur when trenching on hills. Level
trencher, check oil and allow oil alert to reset.
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2.
C. Chain fails to rotate, but wheel drive works.
Chain motor worn.
Chain Control Relief Valve Malfunctioning
Rebuild motor or replace with exchange motor
Adjust Relief Valve to 2200psi or replace relief
spring if needed.
11
1.
2
3.
.
RH912 TRENCHER TROUBLE SHOOTING GUIDE
A. Entire hydraulic system does not operate and the engine is not under load.
Broken or improperly adjusted clutch
(actuator) cable.
CAUTION!! Always use extreme care when trouble shooting or making adjustments on trencher.
Stay clear of chain and auger when engine is running. Stop engine before disassembling any component.
Hydraulic pump-to-engine coupler has
slipped
Low hydraulic oil in tank
See clutch cable and actuator arm adjustment.
Add oil until it shows in sight gauge
Check for wear and replace both coupler
halves and rubber spider, as needed.
1.
2
3.
.
B. Engine lugs down or dies and wheels and chain do not turn.
Rocks or other obstructions stopping chain.
Engine improperly tuned or maintained.
Trenching depth or speed too great for
soil conditions.
Reverse chain momentarily to free from obstruction.
Raise boom and stop chain. See if obstruction can
be removed from trench.
Decrease ground speed or trenching depth.
See engine manual and correct as needed.
5.
Engine losing power due to wear.
See engine manual.
4.
Low oil alert causes engine to shut down.
This may occur when trenching on hills. Level
trencher, check oil and allow oil alert to reset.
1.
2.
C. Chain fails to rotate, but wheel drive works.
Chain motor worn.
Chain Control Relief Valve Malfunctioning
Rebuild motor or replace with exchange motor
Adjust Relief Valve to 2200psi or replace relief
spring if needed.
11
HT912 TRENCHER TROUBLE SHOOTING GUIDE