Repair
311238ZAM
23
5. Lubricate o-rings (110a). Install the piston stop
(110) and retainer pins (111).
6. See F
IG
. 11. Lubricate and install the spring-loaded
detent (113‡), gasket (106†‡), carriage cover (112),
and screws (124). Torque to 130 in-lb (4.7 N•m), fol-
lowing the pattern shown in Inset 11a.
7. See F
IG
. 9, page 21. Lubricate the gaskets (46) and
ensure they align with the holes at the back of the
air valve (40). Install the air valve. Install the screws
(41) and torque to 20 ft-lb (27.1 N•m). Thread the
screws (43) in by hand, then fully tighten them
against the muffler (15).
8. For motors with DataTrak or the linear sensor, rein-
stall the modules, see step 9, page 21.
F
IG
. 11. Air Valve Repair (NXT107 Shown)
Apply high quality lithium grease.
Important:
Do not permanently distort spring (S). Spring must
be completely tight against piston (119) to prevent interference.
Torque to 130 in-lb (4.7 N•m).
Thread in by hand, then torque to 21-23 ft-lb (28.5-31.1 N•m).
1
2
5
7
7
5
S
1
1
2
P
TI11295b
102†‡
101
104†‡
105‡
117
123
108‡
107‡
‡113
124
138
140 †‡142
112
†‡106
111
103
145
139
144
‡109
‡109
110
119
110
119 (Ref)
110a
109a
109a
110a
1
1
1
1
1
1
1
1
1
1
1
1
1
1
8
8
NXT145
6
2
4
8
9
5
1
3
7
10
Inset 11a. Torque Pattern
