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10 307-995
Service
Valve
NOTE: The top of the pushrod (12) in the valve handle
(8) fits into a notch in the cam (9), which is part of the
trigger assembly. This is important when you remove
or install parts.
Valve Handle Repair
1.
Relieve the pressure.
WARNING
To reduce the risk of serious injury, when you are
instructed to relieve pressure, always follow the
Pressure Relief Procedure on page 7.
2.
When you replace any part of the valve handle
assembly, unscrew the swivel (14) and remove the
parts.
3.
Reference the parts drawing below, and reas-
semble the valve. Make sure you install all the
parts correctly. The top of the pushrod (12) must
rest in the notch of the cam (9).
Trigger Repair
1.
Relieve the pressure.
2.
When you replace the quad ring seal (2) or the
cam (9), remove the valve handle parts first. Then
install the cam and seals before you install the
valve handle parts.
3.
Be sure the notches of the cam (9) fit into the flats
of the trigger (10).
Parts – Valve
7
1
2
9
8
3
10
12
15
4
18
5
21
6
14
Model 222–648
Includes items 1 to 22
22
Torque to
19 to 21 ft-lb
(26 to 28 N-m)
Closed end of pushrod (12)
towards poppet kit (15)
Torque to 15 to 25 in-lb (1.7 to 2.8 N-m)
Ref
No.
Part No.
Description
Qty
Ref
No.
Part No.
Description
Qty
1
110–637
SCREW,
10–24 x 3/8”
2
2
110–173
SEAL,
quad ring
2
3
110–174
SPRING,
extension
1
4
110–175
SPRING,
compression
1
5
185–415
STRAINER
1
6
155–500
O-RING, nitrile rubber
1
7
160–172
WASHER, plain
2
8
185–222
HANDLE
1
9
185–257
CAM
1
10
185–258
TRIGGER
1
12
185–320
PUSHROD, valve
1
14
202–994
VALVE SWIVEL, 1/2” thread
1
15
222–647
POPPET KIT
1
18
185–408
HOUSING, strainer
1
21
110–340
RING, retaining, internal
1
22
111–853
GASKET
1
Summary of Contents for 222-411
Page 15: ...307 995 15 Notes...