Table 4-1. Troubleshooting - continued
PROBLEM
POSSIBLE CAUSE
REMEDY
Excessive noise
1. Stretched drive chain.
Replace drive chain.
from drive
assembly
2. Broken teeth on
Replace any damaged sprockets.
sprockets.
3. Bearing failure.
Replace damaged bearings.
Excessive noise
1. Stretched drive chain.
Replace drive chain.
from mud pump
power frame
2. Broken teeth on
Replace sprocket.
sprocket.
3. Bearing failure.
Replace damaged bearings.
AIR COMPRESSOR DRIVE
Air compressor
1. Insufficient air pres-
Inspect entire air line installation for
drive clutch will
sure.
any restrictions or leaks which could
not engage
decrease the air supply to the clutch.
Check tattle tale switch.
Check operating valve for full opening.
If operating in cold weather, the air
lines may be restricted due to freezing
of the moisture in the air system. The
addition of Denatured alcohol or Ethy-
lene Glycol in the air receiver will
eliminate this problem. Avoid the use
of all rust inhibitors or commercial
antifreeze.
2. Ruptured diaphragm.
Replace diaphragm.
3. Drive rings worn out.
Replace drive rings.
Air compressor
1. Insufficient air pres-
Inspect entire air line installation for
drive clutch slips
sure.
any restrictions or leaks which could
decrease the air supply to the clutch.
Check operating valve for full opening.
Carefully inspect clutch for possible
air leakage at the diaphragm.
If operating in cold weather, the air
lines may be restricted due to freezing
of the moisture in the air system. The
addition of Denatured alcohol or Ethy-
lene Glycol in the air receiver will
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