Control Valve Disassembly (Fig. 56)
1.
Wash control valve in solvent and dry it thoroughly.
2.
Mount control valve into a vise so the mounting pads
8
are against the jaws of the vice and snap ring faces up.
NOTE: Remove check valve seat only if it needs re-
placement; it is pressed into the valve body.
3.
Remove plugs and O–rings from the valve body. Re-
move springs, balls, and cam pins from the valve body.
4.
Remove spool snap ring, spring retainer, spacer, and
spring.
Remove snap ring from the bottom of the valve body.
9
7
5.
Push and twist spool carefully out of the valve body.
Set spool aside.
5
6.
hooked scribe or a thin screwdriver taking care not to
scratch the valve bore finish.
Remove O–rings from valve body using a soft
3
1
Control Valve Inspection (Fig. 56)
6
CAUTION
9
10
Use eye protection such as goggles when using
compressed air
4
11
2
12
13
10
14
1.
air.
Wash all parts in solvent. Dry parts with compressed
Figure 56
8.
9.
10. Spring retainer
11. Spring
12. Spacer
2.
on one side of the spool may indicate damage. Replace
a worn or damaged spool if necessary.
Inspect spool for bending and flatness. Signs of wear
1.
2.
3.
4.
5.
6.
7.
Plug
Spool
O–ring
Spring
Ball
O–ring
Check valve seat
Cam pin
Control valve body
3.
replace damaged items as necessary.
Inspect other components for wear or damage, and
13. Spool snap ring
14. Snap ring
Control Valve Reassembly (Fig. 56)
4.
If check valve seat was damaged and removed,
press fit replacement into the valve body.
1.
Coat all new O–rings with hydraulic oil. Install new
O–rings into the bore of the valve body.
5.
Lubricate and install cam pin, ball, and spring. Place
new O–ring on plug and install them into the valve body.
Tighten plug.
2.
spool carefully into the valve body. Avoid damaging O–
rings.
Coat spool lightly with hydraulic oil. Push and twist
6.
Repeat steps 4 and 5 for the second plug assembly.
3.
Install spring retainer, spring, spacer, second spring
retainer, and spool snap ring onto the spool. Install snap
ring into the valve body.
Hydraulic System
Page 4 – 78
Reelmaster 2000–D
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| Document Type | Service Manual |
| Language | English |
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