Troubleshooting - Craftsman 351.184420 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. 34)
2. O-rings damaged 2. Check and replace damaged O-rings
(Fig. 5, Nos. 24, 26, 27, 29, 30, 34 and two 33)
Cap leaks air 1. Tighten bolts (Fig. 5, No. 4)
2. Check and replace damaged gasket (Fig. 5, No. 9)
3. Check and replace damaged O-ring (Fig. 5, No. 7)
Nose leaks air 1. Check and replace damaged bumper (Fig. 5, No. 22)
2. Check and replace ram guide (Fig. 5, No. 41)
Tool will not operate
Tool operates slowly
or loses power
Tool skips fasteners or
inconsistent operation
1,
2.
3,
4.
5,
1,
2.
3.
4.
5.
6.
7.
Cap bolts loose 1.
Damaged cap gasket 2.
Damaged O-ring 3.
Damaged bumper 1.
Ram guide damaged 2.
Insufficient air supply 1.
Damaged or worn head valve O-rings 2.
or seal
Damaged head valve spring 3.
Head valve binding in cap 4.
Insufficient lubrication 5.
Damaged head valve spring 1.
Damaged or worn O-rings 2.
Damaged trigger assembly 3.
Build-up on ram 4.
Cylinder not sealed on bumper properly 5.
Insufficient air supply 6.
Insufficient lubrication 7.
8. Head valve poorly lubricated
1. Worn or damaged bumper
2. Build-up on ram or nose
1
1
1
1
1
1
3. Insufficient air supply
4. Damaged or worn piston O-ring
5. Damaged magazine spring
6. Magazine-nose bolts loose
7. Fasteners too short
8. Damaged fasteners
9. Incorrect fastener size
0. Head valve O-rings leak
1. Damaged trigger valve O-rings
2. Bent or damaged ram
3. Dirty magazine
4. Damaged or worn magazine
5. Insufficient lubrication
8,
Check air supply
Replace damaged or worn O-rings or seal
(Fig. 5, Nos. 7, 8, 12, 13 and 14)
Replace damaged spring (Fig. 5, No. 10)
Clean and lubricate cap and head valve
(Fig. 5, Nos. 6 and 11)
Place five or six drops of air tool oil into body
(Fig. 5, No. 36) through male quick disconnect
Check and replace spring (Fig. 5, No. 10)
Replace damaged or worn O-rings
Check and replace trigger assembly
Clean and lubricate piston/ram assembly (Fig. 5, No. 18)
Disassemble cylinder and assemble properly
Check air supply
Place five or six drops of air tool oil into body
(Fig. 5, No. 36) through male quick disconnect
Disassemble head valve (Fig. 5, No. 11).
Clean, lubricate and assemble properly
1. Check and replace bumper (Fig. 5, No. 22)
2. Clean and lubricate piston/ram assembly (Fig. 5, No. 18)
and inside of nose and nose cover
(Fig. 5, Nos. 52 and 57)
3. Check air supply
4. Check and replace O-ring (Fig. 5, No. 17)
5. Check and replace spring (Fig. 5, No. 62)
6. Align nose with magazine and tighten bolts
(Fig. 5, Nos. 51 and 58)
7. Use Sears recommended fasteners only
8. Discard damaged fasteners
9. Use Sears recommended fasteners only
10. Check and replace damaged O-rings
(Fig. 5, Nos. 12, 13 and 14)
11. Check and replace damaged O-rings
(Fig. 5, Nos. 24, 26, 27, 29, 30, 34 and two 33)
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. 60)
15. Place five or six drops of air tool oil into body
(Fig. 5, No. 36) through male quick disconnect
5