Troubleshooting - Craftsman 351.181790 Operator's Manual

iSYMPTOM
Trigger cap leaks air
Cap leaks air
Nose leaks air
Tool will not operate
Tool operates slowly
!or loses power
ITool skips fasteners or
inconsistent operation
POSSIBLE CAUSE(S)
1 O-ring damaged
2. Valve stem, seal or O-rings damaged
CORRECTIVE ACTION
1. Check and replace damaged Q-ring (Fig 12, No 36)
2. Check and replace damaged stem, seal or O-rings
(FIg, 12, Nos, 31, 33, 34 and 36)
10. Cap leaks
11. Head valve O-rings leak
12. Damaged trigger valve O-rings
13. Bent or damaged ram
14. Dirty magazine
15. Damaged orworn magazine
16 Ins ufficient lubrication
1. Cap bolts loose
2. Damaged gasket
1, Nose bolts loose 1.
2. Damaged nose O-ring 2.
3 Damaged cylinder O-ring 3.
4 Damaged bumper 4.
5. Ram guide damaged 5.
1 Jnsufficient air supply 1.
2, Damaged or worn head valve O-ring 2.
or seal
3. Damaged head vane spring 3.
4 Head valve binding in cap 4.
5. Insufficient lubrication 5,
1 Damaged head valve spring 1.
2 Damaged or worn O-rings 2.
3. Damagnd trigger assembly 3.
4. Build-up on ram 4.
5 Cylinder not sealed on bumper 5.
properly
6. Insufficient air supply 6.
7. Head valve poorly lubricated 7.
8. insufficient lubrication 8.
1. Worn or damaged bumper 1.
2. Build-up on ram or nose 2.
3. Insufficient air supply 3.
4 Damaged or worn piston O-ring 4.
5, Damaged magazine spring 5.
6, Magazine nose bolts loose 6.
7. Fasteners too short 7.
8 Damaged fasteners 8.
9. Incorrect fastener size 9.
10.
11.
12.
1. Tighten bolts (Fig. 12, No. 4)
2. Check and replace damaged gasket (Fig. 12, No. 7)
Tighten bolts (Fig. 12, No, 48)
Check and replace damaged O-dng/Fig. 12, No. 18)
Check and replace damaged O-ring (Fig 12. No 18)
Check and replace damaged bumper (Fig 12, No 21)
Check and replace guide (Fig. 12, NO 44)
Check air supply
Replace damaged or worn O-ring or seal
(FIg, 12, Nos. 8 and 13)
Replace damaged spring (Fig. 12, No. 10)
Clean end grease cap and heed vaive
(Fig 12, Nee. 6 and 12)
Place five or six drops of air tool oil into inlet cap
(Fig 12, No. 24)
Check and replace damaged spring {Fig 12, No. 10)
Check and replace damaged or worn O-rings
Check and raplaoa trigger assembly
Clean piston/ram assembly (Fig. 12, No. 16)
Disassemble cylinder and assemble properly
13.
14.
15.
16.
Check air supply
Disassemble head valve (Fig. 12, No. 12),
clean, grease, and assemble properly
Place five or six drops of air tool oil into inlet cap
(Fig. 12, No. 24)
Check and replace bumper (FIg, 12, No. 2!)
Clean and grease piston!ram assemt_y {Fig 12, No 16
Check air supply
Check and replace O-ring (Fig. 12, No 15)
Check and replace spring (Fig, 12, No. 64)
Align nose with magazine and tighten bolts
(Fig. 12, Nee. 47 and 60)
Use Sears recommended fasteners only
Discard damaged fasteners
Use Sears recommended fasteners only
Tighten cap bolts (Fig. 12, No. 4). CheC_ and replac_
damaged gasket (FIg. 12. No. 7)
Check and replace damaged O-rings
(Fig. 12, Nee. 11, 13 and 14)
Check and replace damaged seal and O-rings
(Fig 12, Nos. 31, 34 and 36)
Check and replace damaged piston/ram assembly
(Fig. 12, No. 16)
Clean magazine and lubricate with a
dry. film lubricant.
Check and replace magazine (Fig 12, No 60)
place five or six drops of air tool oil into inlet cap
(Fig. 12, No. 24)
7