Loop Flushing Valve - JLG 600SJ Service And Maintenance Manual

SECTION 3 - CHASSIS & TURNTABLE

Loop Flushing Valve

REMOVAL
1. Using a 11/16 in 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 3-18. 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).
3-20
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
contamination. Also check springs and poppet for wear.
INSTALLATION
1. Install orifice poppet (13).
2. Install shift spool (12).
3. Install spring retaining washers onto springs (10 and
2
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 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).
– JLG Lift – 3121202