HG616 Issue 10 © 2017
2
CONTROL HANDLE DISASSEMBLY
Use a clean bench to carry out maintenance.
A) Remove the oil hose from the control gun inlet swivel
(10).
B)
Unscrew and remove swivel (10) washer and o’ring
from the control gun inlet. (Clean or replace the swivel
strainer and o’ring if required).
The swivel is under spring tension
C) Remove valve spring (9), seal/valve body assembly (8).
and plunger (7).
D) Remove the screw (15), then unclip and remove the
trigger guard (16).
LEVER and VALVE REMOVAL
A) Using a 2.5mm allen key, remove the 2 handle screw
(2).
B) Remove lever (11), ease downwards.
C) Remove the washer (5), “O”Ring (3), then push the
valve cam (4) from the gun body (6), and remove “O”Ring
(3).
Note:
If the plunger has not been removed the cam will not
release from the body.
PARTS DIAGRAM
CONTROL HANDLE REASSEMBLY
A) Clean and inspect all parts. Replace any suspect,
worn or damaged components.
Note:
Lightly lubricate the valve cam before assembly.
B) Place “O”Ring (3) onto valve cam (4).
Note:
The cut out section in the middle of the valve cam
(4) must face the inlet swivel (10).
C) Replace the valve cam (4) into the body (6). Note the
orientation shown on the assembly drawing. Fit
the
second “O”Ring
(3) and washer (5).
D) Slide lever assembly (11) into position and replace the
two Allen screws (2). (Use Loctite or similar sealant).
E) Replace plunger (7).
Note:
The end hole in the plunger must face the gun
outlet.
F) Replace the seal/valve body assembly (8), and
spring (9) and replace into the gun body (6).
Note:
Install the spring, small end first.
G) Re-fit the trigger guard (16) and replace screw (15)
H) Replace washer, o’ring on to the swivel assembly (10),
and screw firmly into place (Use Loctite or similar
sealant).
Note:
After assembly ensure the handle latch is operating
correctly.
CAUTION
2
6
10
5
3
1
14
9
12
15
11
8
7
4
13
16
3
15
