Disassembly
Assembly
1.
oughly.
Plug all ports and clean the outside of the valve thor-
IMPORTANT: Do not wipe parts with paper towels or
rags. Lint free cloth must be used to prevent lint
from causing damage to the hydraulic system.
2.
Remove spool cap and slide the spool assembly
from its bore.
CAUTION
3.
Remove O−ring and bushing from the spool assem-
bly.
Use eye protection such as goggles when using
compressed air.
4.
site the spool cap.
Remove O−ring from the spool bore end that is oppo-
1.
compressed air.
Clean all metal parts with solvent and blow dry with
NOTE: Disassemble spool assembly only if the retain-
ing ring, spacer, spring, or washer need replacing.
2.
ers with new ones.
Replace check poppet, O−rings, and back−up wash-
5.
ring, and check spring from the valve body.
Remove seat retaining plug, back−up washer, O−
3.
4.
5.
Install new O−rings into the valve body.
6.
from the valve body.
Remove check poppet, seat, O−ring, and plunger
Slide bushing and new O−ring over the spool.
7.
from the opposite end of the plunger.
Remove solid plug, back−up washer, and O−ring
If the spool was disassembled, install washer, spool
spring, spacer, and retaining ring to the spool.
8.
body next to the detent plug.
Remove plug and O−ring from the top of the valve
6.
and install into its proper bore.
Lubricate spool liberally with clean hydraulic fluid
9.
Remove disc spring, and detent plunger from the body.
Remove detent plug and O−ring from the valve body.
7.
to 25 ft−lb (27 to 34 N−m).
Install spool cap into valve body. Torque cap from 20
Inspection
8.
Install O−ring, back−up washer, and solid plug into
the bore on the opposite end of the plunger. Torque plug
from 30 to 35 ft−lb (41 to 48 N−m).
1.
cessive, replace valve with new one.
Inspect spool and spool bore for wear. If wear is ex-
9.
and install into its valve body bore.
Lubricate plunger liberally with clean hydraulic fluid
2.
3.
Inspect springs and replace as necessary.
Inspect plunger, detent plunger, and check poppet
10.Install
spring into the plunger bore.
new O−ring, seat, check poppet, and check
for wear. Replace as necessary.
4.
as necessary.
Inspect seat, spacer, and bushing for wear. Replace
11.
plug into the plunger bore. Torque plug from 30 to 35 ft−
lb (41 to 48 N−m).
Install O−ring, back−up washer, and seat retaining
5.
6.
Inspect disc and washer. Replace as necessary.
Inspect cap and plugs for damaged threads and O−
12.Install
O−ring and plug into the top of the valve body
next to the detent plug bore. Torque plug from 10 to 12
ft−lb (14 to 16 N−m).
ring sealing surfaces. Replace as necessary.
13.Lubricate
plunger detent, spring, and disc liberally
with clean hydraulic fluid and install into its valve body
bore.
14.Install
O−ring and detent plug into its proper bore.
Torque plug from 30 to 42 ft−lb (41 to 57 N−m).
Hydraulic System (Rev. C)
Reelmaster 3100−D
Page 4 − 88
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| Language | English |
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