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SYMPTOM POSSIBLE CAUSE(S) CORRECTIVE ACTION
Trigger cap leaks air 1. O-ring damaged 1. Check and replace damaged O-ring (Fig. 10, No. 52)
2. Valve stem, seal or O-rings damaged 2. Check and replace damaged stem, seal or O-rings
(Fig. 10, Nos. 52, 53, 54 and 57)
Cap leaks air 1. 1. Tighten bolts (Fig. 10, No. 1)
2. Check and replace damaged gasket (Fig. 10, No. 3)
Nose leaks air 1. Check and replace damaged O-ring (Fig. 10, No. 12)
2. Check and replace damaged bumper (Fig. 10, No. 14)
3. Check and replace guide (Fig. 10, No. 15)
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.
6.
7.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
Cap bolts loose
Damaged gasket 2.
Damaged cylinder O-ring 1.
Damaged bumper 2.
Ram guide damaged 3.
Insufficient air supply 1.
Damaged or worn head valve O-ring 2.
or seal
Damaged head valve spring 3.
Head valve binding in cap 4.
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 5.
properly
Insufficient air supply 6.
Head valve poorly lubricated 7.
Worn or damaged bumper 1.
Build-up on ram or nose 2.
Insufficient air supply 3.
Damaged or worn piston O-ring 4.
Damaged magazine springs 5.
Magazine-nose bolts loose 6.
Fasteners too short 7.
Damaged fasteners 8.
Incorrect fastener size 9.
Cap leaks 10.
Damaged trigger valve seal and 11.
O-rings
Bent or damaged ram 12.
Dirty magazine 13.
Damaged or worn magazine 14.
or magazine cover
Check air supply
Replace damaged or worn O-ring or seal
(Fig. 10, Nos. 5 and 9)
Replace damaged spring (Fig. 10, No. 6)
Clean and grease cap and head valve
(Fig. 10, Nos. 2 and 9)
Check and replace damaged spring (Fig. 10, No. 6)
Check and replace damaged or worn O-rings
Check and replace trigger assembly
Clean piston/ram assembly (Fig. 10, No. 11)
Disassemble cylinder and assemble properly
Check air supply
Disassemble head valve (Fig. 10, No. 9),
clean, grease, and assemble properly
Check and replace bumper (Fig. 10, No. 14)
Clean and grease piston/ram assembly (Fig. 10, No. 11)
and inside of nose cover (Fig. 10, No. 24)
Check air supply
Check and replace O-ring (Fig. 10, No. 10)
Check and replace springs (Fig. 10, No. 32)
Align nose with magazine and tighten bolts
(Fig. 10, No. 23)
Use Sears recommended fasteners only
Discard damaged fasteners
Use Sears recommended fasteners only
Tighten cap bolts (Fig. 10, No. 1). Check and replace
damaged gasket (Fig. 10, No. 3)
Check and replace damaged seal and O-rings
(Fig. 10, Nos. 52, 54 and 57)
Check and replace damaged piston/ram assembly
(Fig. 10, No. 11)
Clean magazine and lubricate with a
dry, film lubricant.
Check and replace magazine or magazine cover
(Fig. 10, Nos. 28 and 38)
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