Service
313516G 23
Service
NOTE: Air Section Repair Kit 288171 and
Fluid Section Repair Kit 24B675 are available
for purchase separately. Numbers in parenthe-
sis in the text refer to the reference numbers in
the figures and in the parts list.
Disassembly
1. Perform Pressure Relief Procedure,
page 18.
2. Unscrew the four screws (13) and remove
the gun from the manifold.
3. Remove the air cap retainer (25) and air
cap (24).
4. Remove the piston cap (4) from the piston
housing (1). Remove the springs (6, 7).
5. Using a 1/16 in. hex wrench loosen the fluid
needle set screw (30). Remove the needle
stop (29).
6. Pull the fluid needle (5) out of the back of
the gun.
7. Check the fluid needle (5) for damage or
excessive wear. Replace the needle tip (5a)
or the entire needle if necessary.
8. Remove nozzle (23). Check nozzle and
o-ring (36) for damage.
9. Remove the piston. Using a pliers, pull the
piston (3) out of the piston housing (1).
10.Unscrew the two screws (14) and separate
the fluid housing (2) and the piston housing
(1). Remove gasket (12) only if it needs to
be replaced.
11.Remove the packing nut (16) with a
wrench.
12.Remove the fluid packing (17) from the nut
(16). Discard the old fluid packing.
FIG. 16
13
4
23
24, 25
ti13590a
FIG. 17
F
IG. 18
36
ti8198a
14
2
1
ti13591a
6
7
3
29
30