SECTION 3 - CHASSIS & TURNTABLE
3-28
– JLG Lift –
3120746
Loop Flushing Valve
REMOVAL
1. Using a 11/16 in internal hex wrench remove plug
(1) and (2).
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).
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
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).
2
6
9
11
1
4
8
10
12
5
3
7
13
(37 Nm)
27 ft.lbs.
11/16 in
(37 Nm)
27 ft.lbs.
11/16 in
(27 Nm)
20 ft.lbs.
5/8 in
1. Plug
2. Plug
3. Plug
4. O-ring
5. O-ring
6. O-ring
7. Spring
8. Spring
9. Spring
10. Washer
11. Washer
12. Shift Spool
13. Orifice Poppet
Figure 3-9. Loop Flushing Spool
Summary of Contents for 601S
Page 1: ...Service and Maintenance Manual Model 601S P N 3120746 November 22 2016 ...
Page 2: ......
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Page 16: ...x JLG Lift 3120746 TABLE OF CONTENTS Continued This page left blank intentionally ...
Page 26: ...SECTION 1 SPECIFICATIONS 1 10 JLG Lift 3120746 Figure 1 3 Torque Chart ...
Page 36: ...SECTION 2 GENERAL 2 10 JLG Lift 3120746 Figure 2 7 Connector Installation ...
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Page 49: ...SECTION 3 CHASSIS TURNTABLE 3120746 JLG Lift 3 9 Figure 3 1 Torque Hub Drive Fairfield ...
Page 51: ...SECTION 3 CHASSIS TURNTABLE 3120746 JLG Lift 3 11 Figure 3 2 Torque Hub Drive Auburn Gear ...
Page 53: ...SECTION 3 CHASSIS TURNTABLE 3120746 JLG Lift 3 13 Figure 3 3 Drive Brake Assembly Ausco ...
Page 91: ...SECTION 3 CHASSIS TURNTABLE 3120746 JLG Lift 3 51 Figure 3 40 Swing Brake Assembly Ausco ...
Page 99: ...SECTION 3 CHASSIS TURNTABLE 3120746 JLG Lift 3 59 ...
Page 119: ...SECTION 3 CHASSIS TURNTABLE 3120746 JLG Lift 3 79 Figure 3 46 EFI Component Location ...
Page 122: ...SECTION 3 CHASSIS TURNTABLE 3 82 JLG Lift 3120746 Figure 3 47 ECM EPM Identification ECM EPM ...
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Page 132: ...SECTION 4 BOOM PLATFORM 4 4 JLG Lift 3120746 Figure 4 5 Boom Assembly Cutaway Sheet 1 of 2 ...
Page 133: ...SECTION 4 BOOM PLATFORM 3120746 JLG Lift 4 5 Figure 4 6 Boom Assembly Cutaway Sheet 2 of 2 ...
Page 145: ...SECTION 4 BOOM PLATFORM 3120746 JLG Lift 4 17 Figure 4 22 Rotator Assembly Helac ...
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Page 174: ...SECTION 5 HYDRAULICS 5 26 JLG Lift 3120746 This page left blank intentionally ...
Page 176: ...SECTION 6 JLG CONTROL SYSTEM ADE 6 2 JLG Lift 3120746 Figure 6 1 EPBCS Block Diagram ...
Page 238: ...SECTION 7 SCHEMATICS 7 16 JLG Lift 3120746 Figure 7 15 Hydraulic Schematic Sheet 1 of 4 ...
Page 240: ...SECTION 7 SCHEMATICS 7 18 JLG Lift 3120746 Figure 7 17 Hydraulic Schematic Sheet 3 of 4 ...
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