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 threads, or other damage which could affect operation.
elbow and install a pressure gage. The gage must be
(6) Inspect plungers and plunger bores for
calibrated to at lease 2,000 psi.
scoring, chips, nicks, cracks, or other damage which
(2) Remove the capnut (1) from the adjusting
could result in internal or external leaks.
screw (41 and loosen the locknut (3).
(7) Replace seals and defective parts.
(3) Start the engine and accelerate to high
e. Refer to figure 4-2 as a guide to assembly.
speed.
(4) With the engine running at high speed,
NOTE
operate the tilt control lever to run the tilt cylinders to the
Recheck each part before assembly
end of their stroke. Hold the tilt control lever in operate
for dirt or damage.
position through step (5 below.
(1) Reverse procedures in c above.
(5) Adjust the adjusting screw to obtain a
(2) Coat all seals with approved hydraulic coil
gage reading of 1,95050 psi.
before installing.
(6) Hold the screw in position and tighten the
(3) Use new packings.
locknut.
(4) Tighten nuts (19 and 45) to 18 ft-lbs
(7) Check the setting with a capacity load on
the forks before removing the gage. Readjust as
f.
Installation. Refer to paragraph 2-13 for
necessary.
control valve installation.
(8) Shut off the engine.
g.
Relief Valve Adjustment. Refer to figure
(9) Install the capnut over the adjusting screw,
remove the pressure gage, and install the plug.
(1)
Remove the plug from the inlet port
Key to figure 4-2
23 Packing
1 Capnut
24 Screw
2 Washer
25 Plate
3 Locknut
26 Wiper
4 Adjusting screw
27 Packing
5 Spring
28 Tilt plunger
6 Poppet
29 Tilt plunger housing
7 Plug
30 Capscrew
8 Packing
31 Cap
9 Backup ring
32 Capscrew
10 Packing
33 Spring seat
11 Spring
34 Spring
12 Piston
35 Spring seal
13 Poppet
36 Plate
14 Packing
37 Wiper
15 Backup ring
38 Packing
16 Poppet
39 Packing
17 Cup
40 Outlet section
18 Packing
41 Spring
19 Nut
42 Poppet
20 Plug
43 Packing
21 Packing
44 Tie rod
22 Inlet section
4-4
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