Repair
18
313294D
Repair
Tools Required
Tools needed for complete gun repair:
•
adjustable wrench
•
flat head screwdriver (included)
•
channel-lock pliers (2 pair)
•
5/16 hex nut driver (included)
•
o-ring pick
•
medium-strength Loctite
®
•
solvent or alcohol
Lubrication
Liberally lubricate all o-rings, seals, and threads with
Fusion Gun Lubricant (29). Lubricate threads and out-
side of lock ring (11).
Disassemble Front End
1.
Follow Pressure Relief Procedure, page 10.
2.
Flush Gun, page 14.
3.
Remove RAC guard and tip (64, 65), static mixer
housing (60), mixer element (62) from fluid head
(59).
4.
Loosen air cap (61) and remove from gun.
5.
Remove mix module nut (54), using a wrench.
Remove front seal (2).
6.
Remove mix module (66).
7.
Unscrew lock ring (37b) to remove front end and mix
module. Pull front end straight off handle.
Proper attachment of front end is critical. Do not oper-
ate gun if front end is loose or lock ring is not snug
against handle.
64, 65
62
61
r_256998_313294_3b
59
NOTICE
•
If lock ring (37b) is stuck due to material buildup,
do not force it by turning entire front end. Locat-
ing tabs (Z) may break off. Soak front of gun in
solvent to soften cured material and free lock
ring.
•
To prevent damage to purge rod (34), always pull
front end straight off handle (1).
2
54
TI4986a
Ti3846a
66
TI3865b
37b
34
Z