Great Plains DVN8552 Assembly Manual - Manual (Page 37)

Great Plains Manufacturing, Inc. Assembly 33
02/12/2014 550-353Q-ENG
Install Rebound Valve and O-Ring Fittings
Refer to Figure 33
172.Thread straight (non- adjustable stud) fittings
into
ports V1, V2 and C2 of rebound valve .
Note: Tighten as shown below. Do not over tighten as this
could cause damage to valves.
a. Inspect all components for damage or contamination
during shipping.
b. Lubricate o-ring and threads on fitting.
c. Turn fitting into port until finger tight, See “Hydraulic
Connectors and Torque” on page 45 or proper torque
value.
173.Thread elbow (adjustable stud) fitting2 into port C1 of
rebound valve .
a. Follow steps a and b from the foregoing instructions,
then proceed with the following steps below.
b.Looking from fitting from end with nut/washer/o-ring
assembly, turn nut clockwise as far as possible.
c.Using wrench, turn fitting into port until the washer
touches the port spot face. Continue turning fitting until
washer touches thread nearest wrench pad.
d.Back off fitting counterclockwise not exceeding one
revolution until it is oriented in the correct position.
e.Place wrench on the wrench pad of fitting to prevent fit-
ting from turning, and See “Hydraulic Connectors
and Torque” on page 45 for proper torque value.
Install Depth Control Valve
Refer to Figure 34
174.Thread elbow (adjustable stud) fitting
into rear port of
depth stop valve . Thread straight (non- adjustable
stud) fittings into right port of depth control valve .
175.Tighten ORB fittings as shown in, See “Rebound Valve
Fittings” on page 33.
Figure 33
Rebound Valve Fittings
42193
U
D
F
B
L
R
3
1
3
2
3
1
2
1
Figure 34
Depth Control Valve Fittings
42099
U
D
F
B
L
R
3
1
2
2
1
3 1