Loop Flushing Valve - JLG 600A Service And Maintenance Manual

SECTION 3 - CHASSIS & TURNTABLE

Loop Flushing Valve

REMOVAL
1. Using a 11/16 in. (17.46 mm) internal hex wrench
remove plug (1) and (2).
12
10
8
4
1
11/16 in
27 ft.lbs.
(37 Nm)
5
1. Plug 6. O-ring
2. Plug 7. Spring
3. Plug 8. Spring
4. O-ring 9. Spring
5. O-ring 10. Washer
Figure 3-45. Loop Flushing Spool
2. Using a 1/4 in. hex wrench remove plug (3).
3. Remove O-rings (4, 5 and 6).
4. Using pliers, remove centering springs (7, 8 and 9).
5. Remove spring retaining washers (10 and 11).
6. Remove shift spool (12).
7. Remove orifice poppet (13).
3-54
6
9
11
11/16 in
27 ft.lbs.
(37 Nm)
13
7
5/8 in
3
20 ft.lbs.
(27 Nm)
11. Washer
12. Shift Spool
13. Orifice Poppet
INSPECT THE COMPONENTS
Inspect new O-rings and the sealing area for rust, wear, or con-
tamination. Also check springs and poppet for wear.
INSTALLATION
1. Install orifice poppet (13).
2. Install shift spool (12).
2
3. Install spring retaining washers onto springs (10 and 11).
4. Carefully install centering springs (7, 8 and 9).
5. Install new O-rings (6, 4, and 5).
6. Using a 1/4 in. (6.35 mm) hex wrench torque plug (3) to
20 ft. lbs. (27 Nm).
7. Using a 11/16 in. internal hex, torque plugs (2 and 1) to
27 ft. lbs. (37 Nm).
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