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Reelmaster 4000–D
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Hydraulic System
Disassembly of Reel Shut–Off Valve Assembly
1. Thoroughly clean outside of valve.
2. Remove retaining ring (1) from end of spool (9).
3. Remove spool (9) from valve body (8).
4. Remove washers (2), spring (4), and spacer (3) from
spool (9).
5. Remove wipers (5), back–up washers (6), and O–
rings (7) from spool bore.
Inspection of Reel Shut–Off Valve Assembly
1. Thoroughly clean and dry all parts.
2. Inspect the spool bore inside the body. The surface
should be smooth and free of deep scratches.
3. Inspect O.D. of spool (9). It should be smooth and free
of nicks and burrs.
4. Inspect spring (4) for breakage.
Reassembly of Reel Shut–Off Valve Assembly
1. Install new O–rings (7) and back–up washers (6) in
spool bore, with O–rings to the inside of the back–up
washers.
2. Install new wipers (5) in spool bore.
3. Install washer (2), spacer (3), spring (4), and washer
(2) on spool (9).
4. Dip spool (9) in oil and slide in body bore, taking care
not to cut O–rings (7). Be sure spool is installed in the
proper position.
5. Install retaining ring (1) on end of spool (9).
Hydraulic
System