SYMPTOM
POSSIBLE
CAUSE(S)
CORRECTIVE
ACTION
Trigger cap leaks air
1. O-ring damaged
1. Check and replace damaged O-ring (Fig. 5, No. 40)
2. Valve stem, seal or O-rings damaged
2. Check and replace damaged stem, seal or
O-rings (Fig. 5, Nos. 29, 36, 39 and 40)
Cap leaks air
1. Cap bolts loose
1. Tighten bolts (Fig. 5, No. 3)
2. Damaged O-ring or gasket
2. Check and replace damaged O-ring or gasket
(Fig. 5, Nos. 6 and 8)
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 guide (Fig. 5, No. 24)
Tool will not operate
Tool operates slowly
or loses power
Tool skips fasteners or
inconsistent operation
1,
2.
Insufficient air supply
1.
Damaged or worn head valve O-rings
2.
3. Damaged head valve spring
4. Head valve binding in cap
1. Damaged head valve spring
2. Damaged or worn O-rings
3. Damaged trigger assembly
4. Build-up on ram
5. Cylinder not sealed on bumper
properly
6. Insufficient air supply
1.
2.
Worn or damaged bumper
Build-up on ram or nose
3. Insufficient air supply
4. Damaged or worn piston O-ring
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 seal and
O-rings
12. Bent or damaged ram
13. Dirty magazine
14. Damaged or worn magazine
3,
4.
Check air supply
Replace damaged or worn O-rings
(Fig. 5, Nos. 13 and 15)
Replace damaged spring (Fig. 5, No. 9)
Clean and lubricate cap and head valve
(Fig. 5, Nos. 5 and 12)
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. 18)
5. Disassemble cylinder and assemble properly
6,
1.
2.
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. 63)
3. Check air supply
4. Check and replace O-ring (Fig. 5, No. 17)
and seal ring (Fig. 5, No. 16)
5. Check and replace spring (Fig. 5, No. 53)
6. Align nose with magazine and tighten bolts
(Fig. 5, No. 61)
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 seal and O-rings
(Fig. 5, Nos. 29, 36 and 40)
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. 49)