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7032 SOUTH 196th - KENT, WA. 98032 - (206) 872-0141 / FAX (206) 872-8710
MODEL 50/75 AUGER
OPERATION / MAINTENANCE MANUAL
VI. MODEL 50/75 AUGER TROUBLE-SHOOTING
The following table lists some possible problems, causes and solutions. If a serious problem should
occur, contact the factory for additional service information.
Table 6-A. Auger Trouble-Shooting Index
ITEM
PROBLEM
ITEM
PROBLEM
Page 6-1
1.
Auger Won't Start When Start
Button is Engaged.
2.
Auger Won't Turn When Forward/
Reverse Button is Engaged.
3.
Noisy Motor.
4.
Loaded Motor Doesn't Turn At
Normal Speed.
5.
Motor Turns Irregularly.
6.
External Oil Leaks.
Diesel engine is not running.
Start relay contacts may not be closing.
Hoses may be connected improperly.
Drive pressure is too low.
Diesel engine may not be running.
There may be an electrical failure.
Unloaded:
Regular Hum.
Vibrations.
Loaded:
Banging sounds.
Popping Sounds
Possible Cause
Remedy
Start diesel engine.
Press and hold the Start Button on the pendant. If auger starts, replace Start
Relay.
Check hoses and make connection corrections if required.
Manually close start valve at the drive manifold. If auger will not start, replace
the start valve. If auger still will not start, replace the drive pump.
Start the power unit engine and allow pressure to build.
Check for the following:
- Defective forward/reverse switch.
- Broken or loose wire in the pendant or pendant cable.
- Defective OPEN solenoid.
- Broken or loose wire between main power switch and START relay.
- Broken or loose wire between main power switch and amphenol connect-
or.
Worn bearings. Check and replace if necessary.
Loose mountings or pipes. Tighten to torque.
Boost pressure too low. Check the return pressure and check for corros-
ion of the back-pressure valve.
Serious leaks. Check the cylinder block and/or distributor assemblies.
1. Auger Won't Start When Start Button is Engaged.
2. Auger Won't Turn When Forward/Reverse Button is Engaged.
3. Noisy Motor.
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Page 6-1
