Jlg 40H Service Manual User Manual Page 83
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- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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SECTION 2 - PROCEDURES
3120240 – JLG Lift – 2-63
2.24 TORQUE HUB, 2W/D. (SEE FIGURE 2-36.)
Disassembly.
1. Position hub over suitable container and remove
drain plugs 7 from unit. Allow oil to completely drain,
then replace drain plugs.
2. Remove eight bolts 40 and four shoulder bolts 41
securing cover assembly to hub 8. Remove cover
assembly and discard o-ring seal 29.
3. Lift carrier assembly and top thrust washer 31 from
hub. Thrust washer may stick inside cover.
4. Pry ring gear 30 loose from hub and remove it.
Remove o-ring seal 29 from hub counterbore and
discard it.
5. Remove input gear 20 and thrust washers 19,21
from input shaft assembly and remove input shaft
assembly from hub.
6. Lift internal gear 13 and thrust washer 18 from hub.
Thrust washer may stick to bottom of carrier.
7. Remove retaining ring 12 from spindle 2 and lift hub
from spindle.
EYE PROTECTION SHOULD BE WORN DURING RETAINING RING
REMOVAL.
8. Remove inside bearing cone 10 and bearing shim
11.
9. If necessary, pry seal 3 out of hub using screwdriver
or pry bar. With seal removed, outside bearing cone
4 can be removed.
10. If necessary, remove inner and outer bearing cones
5, 9 using a suitable slide hammer puller.
WHEN REBUILDING TORQUE HUB, REMOVE AND REPLACE ALL
O-RINGS AND RETAINING RINGS.
Cleaning and Inspection.
1. Thoroughly clean all parts in an approved cleaning
solvent.
2. Inspect bearing cups and cones for damage, pitting,
corrosion, or excessive wear. If necessary, replace
bearings as a complete set ensuring that they
remain covered until use.
3. Inspect bearing mounting surfaces on spindle, hub,
input shaft and carrier. Replace components as nec-
essary.
4. Inspect all geared components for chipped or bro-
ken teeth and for excessive or uneven wear pat-
terns.
5. Inspect carrier for damage, especially in anti-roll pin
and planet shaft hole areas.
6. Inspect all planet shafts for scoring or other dam-
age.
7. Inspect all threaded components for damage includ-
ing stretching, thread deformation, or twisting.
8. Inspect seal mounting area in hub for burrs or sharp
edges. Dress applicable surfaces or replace compo-
nents as necessary.
9. Inspect cover for cracks or other damage, and o-
ring sealing area for burrs or sharp edges. Dress
applicable surfaces or replace cover as necessary.
Figure 2-35. Swing Bearing Torquing Sequence.
- October 11, 2001 1
- PRECAUTIONS 3
- REVISON LOG 4
- TABLE OF CONTENTS 5
- (Continued) 6
- SECTION 3 - TROUBLESHOOTING 6
- LIST OF FIGURES 6
- FIGURE NO. TITLE PAGE NO 6
- (INTENTIONAL BLANK PAGE) 8
- SECTION 1. SPECIFICATIONS 9
- 1-2 – JLG Lift – 3120240 10
- 3120240 – JLG Lift – 1-3 11
- SECTION 1 - SPECIFICATIONS 12
- Deutz F3L912/F3L1011 Engine 12
- Wisconsin VG4D Engine 12
- 1-8 – JLG Lift – 3120240 16
- 3120240 – JLG Lift – 1-9 17
- SECTION 2. PROCEDURES 21
- 2-2 – JLG Lift – 3120240 22
- 3120240 – JLG Lift – 2-3 23
- 2-4 – JLG Lift – 3120240 24
- 3120240 – JLG Lift – 2-5 25
- 2-6 – JLG Lift – 3120240 26
- 3120240 – JLG Lift – 2-7 27
- 2.9 CYLINDER REPAIR 29
- Disassembly 29
- Cleaning and Inspection 30
- Assembly 30
- 2.10 CYLINDER REMOVAL AND 32
- INSTALLATION 32
- Telescope Cylinder Removal 32
- 2-14 – JLG Lift – 3120240 34
- Inspection 36
- 3120240 – JLG Lift – 2-19 39
- 2-20 – JLG Lift – 3120240 40
- 3120240 – JLG Lift – 2-21 41
- 2-22 – JLG Lift – 3120240 42
- Linkage 43
- Mounting-Controller 44
- Power Distribution 44
- Troubleshooting 48
- 2.17 THROTTLE CHECKS AND 49
- ADJUSTMENTS - DEUTZ F2L511 49
- ENGINE. (SEE FIGURE 2-8.) 49
- 3120240 – JLG Lift – 2-33 53
- 3120240 – JLG Lift – 2-35 55
- ADJUSTMENT 78
- 2.23 SWING BEARING 79
- Wear Tolerance 80
- Installation 81
- Swing Bearing Torque Values 82
- Repair 85
- 2.26 SWING DRIVE BRAKE, MICO 91
- (MACHINES BUILT PRIOR TO MAY 91
- 1992). (SEE FIGURE 2-39.) 91
- 2-72 – JLG Lift – 3120240 92
- Bleeding 94
- 3120240 – JLG Lift – 2-75 95
- 3120240 – JLG Lift – 2-77 97
- 3120240 – JLG Lift – 2-79 99
- SECTION 2 - PROCEDURES 100
- 3120240 – JLG Lift – 2-81 101
- 3120240 – JLG Lift – 2-83 103
- 3120240 – JLG Lift – 2-85 105
- 3120240 – JLG Lift – 2-87 107
- 3120240 – JLG Lift – 2-89 109
- INSPECTION SCHEDULE 110
- 2-92 – JLG Lift – 3120240 112
- SECTION 3. TROUBLESHOOTING 113
- SECTION 3 - TROUBLESHOOTING 114
- JLG Worldwide Locations 152
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