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18308-341
Service
Items Needed for Service
D Gun
W
rench – provided
D
Seal Installation T
ool – provided
D
Adjustable W
rench
D
Screw Driver
D
Part No. 1
1
1–265 Lubricant
D
Soap and water
NOTE:
Gun Repair Kit 949–285 is available; see page
25. The following procedure covers the replacement of
all the kit parts.
Disassemble
1.
Follow the
Pressure Relief Procedure
on
page 7.
2.
Remove the air cap ring (12), air cap (19), air cap
seal (47), and fluid nozzle (20) as instructed on
page 8.
02757A
35
20
12, 19
47
Fig. 30
3.
Remove the nozzle seal (17). See Fig. 34.
4.
Remove the fluid adjustment knob (8) and spring
(16).
5.
Pull the fluid needle (21) out the back of the gun.
6.
Remove the gun and activator triggers (3 and 48).
7.
Remove the fluid adjustment nut (6), spring (15),
and air valve (14).
8.
Insert a thin-blade screw driver (A) through the
back of the gun and into the packing adjustment
nut (31) and remove the screw
. See Fig. 31.
Fig. 31
02762
31
A
9.
Push the three piece packing assembly (39) out
the back of the gun with the threaded end of the
fluid needle (21). See Fig. 32.
CAUTION
Do not use excessive force to push out the packing
assembly (39) or the u-cup seal (33) as this may
bend the fluid needle (21). Refer to Fig. 32 and 33. If
packings are difficult to remove, use a 3/16 in. plastic
rod to push them out.
Fig. 32
21
02759