Troubleshooting - Craftsman 351.184060 Operator's Manual

SYMPTOM POSSIBLE CAUSE(S) CORRECTIVE ACTION
Trigger cap leaks air 1. O-ring damaged 1. Check and replace damaged O-ring (Fig. 5, No. 44)
2. Valve stem, seal or O-rings damaged 2. Check and replace damaged stem, seal or
O-rings (Fig. 5, Nos. 39, 42, 43 and 44)
Cap leaks air 1. Cap bolts loose 1. Tighten bolts (Fig. 5, No. 3)
2. Damaged O-ring 2. Check and replace damaged O-ring (Fig. 5, No. 6)
Nose leaks air 1. Damaged cylinder O-ring 1. Check and replace damaged O-ring (Fig. 5, No. 19)
2. Damaged Bumper 2. Check and replace damaged bumper (Fig. 5, No. 21)
3. Ram guide damaged 3. Check and replace ram guide (Fig. 5, No. 31)
Tool will not operate
Tool operates slowly
or loses power
Tool skips fasteners or
inconsistent operation
1,
2.
3,
4.
1,
2.
3.
4.
5.
Insufficient air supply 1.
Damaged or worn head valve O-rings 2.
Broken head valve spring 3.
Head valve binding 4.
Head valve spring doesn't work 1.
Damaged or worn O-rings 2.
Damaged trigger assembly 3.
Build-up on ram 4.
Cylinder not sealed on bumper 5.
properly
6. Insufficient air supply
1. Worn or damaged bumper
2. Build-up on ram or nose
3,
4.
6,
1.
2.
Insufficient air supply 3.
Damaged or worn piston O-ring 4.
or seal ring
5. Damaged magazine spring
6. Magazine-nose bolts loose
7. Fasteners too short
8. Damaged fasteners
9. Incorrect fastener size
10. Cap leaks
11. Damaged trigger valve O-ring and seal
12. Bent or damaged ram
13. Dirty magazine
14. Damaged or worn magazine
Check air supply
Replace damaged or worn O-rings
(Fig. 5, Nos. 10 and 13)
Replace broken spring (Fig. 5, No. 9)
Clean and lubricate cap and valve
(Fig. 5, Nos. 5 and 12)
Check and replace spring (Fig. 5, No. 9)
Check and replace damaged or worn O-rings
Check and replace trigger assembly
Clean piston-ram assembly (Fig. 5, No. 18)
Disassemble cylinder and assemble properly
Check air supply
Check and replace bumper (Fig. 5, No. 21)
Clean piston-ram assembly (Fig. 5, No. 18) and
inside of nose cover (Fig. 5, No. 61)
Check air supply
Check and replace O-ring or seal ring
(Fig. 5, Nos. 17 and 16)
5. Check and replace spring (Fig. 5, No. 51)
6. Align nose with magazine and tighten bolts
(Fig. 5, No. 62)
7. Use Sears recommended fasteners only
8. Discard damaged fasteners
9. Use Sears recommended fasteners only
10. Tighten cap bolts (Fig. 5, No. 3). Check and replace
damaged cap O-ring (Fig. 5, No. 6) or gasket
(Fig. 5, No. 8)
11. Check and replace damaged O-ring and seal
(Fig. 5, Nos. 39 and 44)
12. Check and replace damaged piston-ram assembly
(Fig. 5, No. 18)
13. Clean magazine and lubricate with air tool oil
14. Check and replace magazine (Fig. 5, No. 57)