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SECTION 3 - CHASSIS & TURNTABLE
3121290
– JLG Lift –
3-21
Shaft Seal Replacement
REMOVAL
1.
Remove snap ring (1) and support washer (2).
NOTE:
To avoid damaging shaft during removal, install a large
sheet metal screw into chuck of a slide hammer. Drive
screw into seal surface and use slide hammer to pull seal.
2.
Carefully pry out and discard shaft seal (3).
INSPECT COMPONENTS
Inspect new seal, motor housing seal bore, and sealing area on
shaft for rust, wear, and contamination. Polish shaft and clean
housing if necessary.
INSTALLATION
1.
Cover shaft splines with an installation sleeve to protect
shaft seal during installation.
2.
Install a new shaft seal (3) with cupped side facing
motor. Press seal into housing until it bottoms out. Press
evenly to avoid binding and damaging seal.
3.
Install seal support washer (2).
4.
Install snap ring (1).
5.
Remove installation sleeve.
Loop Flushing Valve
REMOVAL
1.
Remove plug (1) and (2) with 11/16" internal hex wrench.
Figure 3-8. Loop Flushing Spool
2.
Use 1/4" in hex wrench to remove plug (3).
3.
Remove O-rings (4, 5, and 6).
4.
Use pliers to 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).
8.
Inspect new O-rings and sealing area for rust, wear, or con-
tamination. Check springs and poppet for wear.
INSTALLATION
1.
Install orifice poppet (13).
2.
Install shift spool (12).
3.
Install spring retaining washers on springs (10 and 11).
4.
Carefully install centering springs (7, 8, and 9).
5.
Install new O-rings (6, 4, and 5).
6.
Use 1/4" hex wrench to torque plug (3) to 20 ft-lb (27 Nm).
7.
Use 11/16" internal hex and torque plugs (2 and 1) to
27 ft-lb (37 Nm).
1
2
3
1.
Snap Ring
2.
Support Washer
3.
Shaft Seal
Figure 3-7. Removing Shaft Seal
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
Содержание 450A II Series
Страница 21: ...SECTION 1 SPECIFICATIONS 3121290 JLG Lift 1 5 Figure 1 2 Operator Maintenance and Lubrication Diagram ...
Страница 44: ...SECTION 3 CHASSIS TURNTABLE 3 4 JLG Lift 3121290 Figure 3 3 Drive Hub and Brake Assembly 2WD and 4WD ...
Страница 46: ...SECTION 3 CHASSIS TURNTABLE 3 6 JLG Lift 3121290 Figure 3 4 Drive Hub 4WD Front Only ...
Страница 79: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 39 Figure 3 32 Swing Bearing Drive ...
Страница 101: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 61 Figure 3 42 Auxiliary Pump ...
Страница 107: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 67 Figure 3 47 Deutz EMR 2 Troubleshooting Flow Chart ...
Страница 108: ...SECTION 3 CHASSIS TURNTABLE 3 68 JLG Lift 3121290 Figure 3 48 Deutz EMR 2 Vehicle Side Connection Diagram ...
Страница 109: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 69 Figure 3 49 Deutz EMR 2 Engine Side Connection Diagram Sheet 1 of 2 ...
Страница 110: ...SECTION 3 CHASSIS TURNTABLE 3 70 JLG Lift 3121290 Figure 3 50 Deutz EMR 2 Engine Side Connection Diagram Sheet 2 of 2 ...
Страница 111: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 71 Figure 3 51 EMR 2 Engine Plug Pin Identification ...
Страница 112: ...SECTION 3 CHASSIS TURNTABLE 3 72 JLG Lift 3121290 Figure 3 52 EMR 2 Vehicle Plug Pin Identification ...
Страница 113: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 73 Figure 3 53 EMR2 Fault Codes Sheet 1 of 5 ...
Страница 114: ...SECTION 3 CHASSIS TURNTABLE 3 74 JLG Lift 3121290 Figure 3 54 EMR2 Fault Codes Sheet 2 of 5 ...
Страница 115: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 75 Figure 3 55 EMR2 Fault Codes Sheet 3 of 5 ...
Страница 116: ...SECTION 3 CHASSIS TURNTABLE 3 76 JLG Lift 3121290 Figure 3 56 EMR2 Fault Codes Sheet 4 of 5 ...
Страница 117: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 77 Figure 3 57 EMR2 Fault Codes Sheet 5 of 5 ...
Страница 159: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 119 ...
Страница 161: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 121 ...
Страница 163: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 123 ...
Страница 165: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 125 ...
Страница 173: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 133 Sensor Transducer Type ...
Страница 177: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 137 Sensor Transducer Type ...
Страница 179: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 139 ...
Страница 181: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 141 ...
Страница 183: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 143 ...
Страница 185: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 145 ...
Страница 187: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 147 ...
Страница 203: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 163 ...
Страница 207: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 167 ...
Страница 217: ...SECTION 4 BOOM PLATFORM 3121290 JLG Lift 4 5 Figure 4 2 Boom Limit Switches ...
Страница 310: ...SECTION 5 HYDRAULICS 5 70 JLG Lift 3121290 NOTES ...
Страница 312: ...SECTION 6 JLG CONTROL SYSTEM 6 2 JLG Lift 3121290 Figure 6 2 Controller Block Diagram 0 ...
Страница 337: ...SECTION 6 JLG CONTROL SYSTEM 3121290 JLG Lift 6 27 Figure 6 11 System Test Flow Chart Platform Tests ...
Страница 339: ...SECTION 6 JLG CONTROL SYSTEM 3121290 JLG Lift 6 29 Figure 6 12 System Test Flow Chart Ground Station Tests ...
Страница 350: ...SECTION 6 JLG CONTROL SYSTEM 6 40 JLG Lift 3121290 Figure 6 13 Control Module And Fault Code Light Locations ...
Страница 370: ...SECTION 6 JLG CONTROL SYSTEM 6 60 JLG Lift 3121290 NOTES ...
Страница 380: ...SECTION 7 BASIC ELECTRICAL INFORMATION SCHEMATICS 7 10 JLG Lift 3121290 Figure 7 26 Electrical Components 1 of 2 ...
Страница 381: ...SECTION 7 BASIC ELECTRICAL INFORMATION SCHEMATICS 3121290 JLG Lift 7 11 Figure 7 27 Electrical Components 2 of 2 ...
Страница 388: ...SECTION 7 BASIC ELECTRICAL INFORMATION SCHEMATICS 7 18 JLG Lift 3121290 Figure 7 34 Main Hydraulic Schematic 1 of 2 ...
Страница 394: ...SECTION 7 BASIC ELECTRICAL INFORMATION SCHEMATICS 7 24 JLG Lift 3121290 NOTES ...
Страница 395: ......