Troubleshooting - Craftsman 351.184240 Operator's Manual

SYMPTOM
Trigger cap leaks air
Cap leaks air
Nose leaks air
POSSIBLE CAUSE(S)
1 O-ring damaged
2 Valve stem, seal or O-rings damaged
1 Cap bolts ioose
2. Damaged O-ring or gasket
1. Damaged cylinder O-ring
2 Damaged bumper
3. Ram guide damaged
CORRECTIVE ACTION
1 Check and replace damaged O-ring (Fig 5, No 40)
2 Check and replace damaged stem, seal or O-rings
(Fig. 5, Nos 33, 36, 39 and 40)
1 Tighten bolts (Fig 5, No. 3)
2. Check and replace damaged O-ring or gasket
(Fig 5, Nos 6 and 8)
1 Check and replace damaged O-ring (Fig. 5, No 18)
2 Check and replace damaged bumper (Fig 5, No 24
3. Check and replace guide (Fig. 5, No 25)
Tool will not operate
Toot operates slowly
or loses power
Tool skips fasteners or
inconsistent operation
2,,
Insufficient air supply 1
Damaged or worn head valve O-rings 2
3 Damaged head valve spring
4. Head valve binding in cap
5 Insufficient lubrication
1. Damaged head valve spring
2 Damaged or worn O-rings
3 Damaged trigger assembly
4. Buiid-up en ram
5. Cy{inder not seated on bumper
properly
6 Insufficient air supply
7 Insufficient lubrication
8. Head valve poorly lubricated
1. Worn or damaged bumper
2. Build-up on ram or nose
3 Insufficient air supply
4, Damaged or worn piston O-ring
5, Damaged magazine springs
6, Magazine-nose belts loose
7._ Fasteners too short
8. Damaged fasteners
9. Incorrect fastener size
10, Cap leaks
tl.
12
13
14.
15
Damaged trigger valve seal and
O-rings
Bent or damaged ram
Dirty magazine
Damaged or worn magazine
_nsufficient lubrication
Check air supply
Replace damaged or worn O-rings
(Fig 5, Nos. 10 and 13)
3 Replace damaged spring (Fig.. 5, No.. 9)
4 Clean and lubricate cap and head valve
(Fig 5, Nos. 5 and 12)
5. Place five or six drops of air tool oil into inlet cap
1 Check and replace damaged spring (Fig. 5, No 9)
2. Check and replace damaged or worn O-rings
3 Check and replace trigger assembly
4 Clean piston/ram assembly (Fig° 5, No. 17)
5 Disassemble cylinder and assemble properly
6 Check air supply
7. Place five or six drops of air toot oil into inlet cap
8. Disassemble head valve (Fig.. 5, No. 12),
clean, lubricate, and assemble properly
1 Check and replace bumper (Fig. 5, No 20)
2. Clean and lubricate piston/ram assembly
(Fig. 5, No_17) and inside of nose cover (Fig. 5, No. 51)
3 Check air supply
4. Check and replace O-dng (Fig. 5, No I6)
5. Check and replace springs (Fig. 5, No. 59)
6. Align nose with magazine and tighten bolts
(Fig° 5, No..49)
7. Use Sears recommended fasteners only
8 Discard damaged fasteners
9, Use Sears recommended fasteners only
10 Tighten cap botts (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 seal and O-rings
(Fig 5, No& 33, 36 and 40)
12 Check and replace damaged pisten/ram assembly
(Fig 5, No. 17)
13 Clean magazine and lubricate with air tool oil
14. Check and replace magazine (Fig 5, No 46)
t5. Place five or six drops of air tool oil into inlet cap
(Fig 5, NOr21)