Table 4-1. Troubleshooting - continued
PROBLEM
POSSIBLE CAUSE
REMEDY
Feed rate too low -
3. Sight glass felt
Replace sight glass felt gasket.
Continued
gasket clogged.
4. Discharge check valves
Turn feed regulator full open and oper-
seating improperly.
erate hand crank rapidly to flush check
valve.
Sight well over-
Discharge check valve
Replace check valve.
flowing.
stuck shut or defective.
Cage glass leaks
1. Plug loose.
Remove plug cap and tighten plug.
2. Damaged or defec-
Replace top and bottom rubber wash-
tive top and bottom
ers.
rubber washers.
DRAWWORKS - AUXILIARY DRUM
Clutch will not
1. Insufficient air pres-
Inspect entire air line installation for
engage
sure.
any restrictions or leaks which could
decrease the air supply to the clutch.
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 tube.
Replace tube.
3. Malfunctioning quick
Rebuild or replace quick release valves.
release valves.
4. Drive rings worn out.
Replace drive rings.
Clutch slips
1. Insufficient air pres-
Inspect entire air line installation for
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 quick release valves
or the tube.
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