Service
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
13
23
24, 25
ti13590a
FIG. 16
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
36
ti8198a
FIG. 17
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.
6
29 7
14
2
30
3
1
ti13591a
FIG. 18
11.Remove the packing nut (16) with a wrench.
12.Remove the fluid packing (17) from the nut (16). Discard the old fluid packing.
313516C | 23 |