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 may cause damage to the hydraulic sys-
tem.
IMPORTANT: Match mark spools to their associat-
ed bores. Spools must be reinstalled to the bore
from which they were removed.
CAUTION
2.
blies from their bores.
Remove both spool caps and slide the spool assem-
Use eye protection such as goggles when using
compressed air.
3.
sembly.
Remove O−ring and bushing from each spool as-
1.
compressed air.
Clean all metal parts with solvent and blow dry with
4.
ends that are opposite the spool caps.
Remove wiper seals O−rings from the spool bore
2.
washers with new ones.
Replace check poppets, O−rings, and back−up
NOTE: Disassemble spool assemblies only if the re-
taining ring, spacer, spring, or washer need replacing.
3.
4.
5.
Install new O−rings into the valve body.
Slide bushings and new O−rings over the spools.
5.
Remove seat retaining plugs, back−up washers, O−
rings, and check springs from the valve body.
If a spool was disassembled, install washer, spool
spring, spacer, and retaining ring to the spool.
6.
Remove check poppets, seats, O−rings, and plung-
ers from the valve body.
6.
Lubricate spools liberally with clean hydraulic fluid
and install into their proper bore.
7.
Remove solid plug, back−up washer, and O−ring
from the opposite end of the plunger.
7.
20
Install spool caps into valve body. Torque caps from
to 25 ft−lb (27 to 34 N−m).
8.
Remove plug and O−ring from the top of the valve
body next to the detent plug.
8.
Lubricate both plungers liberally with clean hydraulic
fluid and install into their proper bore.
9.
Remove detent plug and O−ring from the valve body.
Remove disc spring, and detent plunger from the body.
9.
Install new O−rings, seats, check poppets, and
check springs into the plunger bores.
Inspection
10.Install
plugs into their plunger bores. Torque both plugs from 30
to 35 ft−lb (41 to 48 N−m).
O−rings, back−up washers, and seat retaining
1.
excessive, replace valve with new one.
Inspect spools and spool bores for wear. If wear is
2.
3.
Inspect springs and replace as necessary.
11.
into the bore with the grooved plunger. Torque plug from
30 to 35 ft−lb (41 to 48 N−m).
Install new O−ring, back−up washer, and solid plug
Inspect plunger, detent plunger, and check poppet
for wear. Replace as necessary.
4.
as necessary.
Inspect seat, spacer, and bushing for wear. Replace
12.Install new O−ring, seat, check poppet, check spring,
new O−ring, back−up washer, and seat retaining plug
into the bore with the plunger. Torque plug from 30 to 35
ft−lb (41 to 48 N−m).
5.
6.
Inspect disc and washer. Replace as necessary.
Inspect cap and plugs for damaged threads and O−
13.Install
O−ring and plug into the top of the valve body
ring sealing surfaces. Replace as necessary.
next to the detent plug bore. Torque plug from 10 to 12
ft−lb (14 to 16 N−m).
14.Lubricate
plunger detent, spring, and disc liberally
with clean hydraulic fluid and install into its valve body
bore.
15.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 − 94
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| Language | English |
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