SECTION 3 - CHASSIS & TURNTABLE
3-4
– JLG Lift –
3121160
3.4 TORQUE HUB, DRIVE
Disassembly
1.
Position hub over suitable container and remove
drain plugs (10) from unit. Allow oil to completely
drain, then replace drain plugs.
2.
Remove eight bolts (41) and four shoulder bolts (42)
securing cover assembly to hub (7). Remove cover
assembly (23) and discard o-ring seal (22).
3.
Lift carrier assembly and top thrust washer and
thrust bearing(39, 40) from hub. Thrust washer may
stick inside cover.
4.
Pry ring gear (21) loose from hub and remove it.
Remove o-ring seal (22) from hub counter bore and
discard it.
5.
Remove input gear (37) and thrust spacer (36) from
input shaft assembly and remove input shaft assem-
bly from hub.
6.
Lift internal gear (12) and thrust washer and thrust
bearing (39, 40) from hub. Thrust washer may stick
to bottom of carrier.
7.
Remove retaining ring (9) from spindle (1) and dis-
card; lift hub from spindle.
EYE PROTECTION SHOULD BE WORN DURING RETAINING RING
REMOVAL.
8.
Remove inside bearing cone (6) and bearing shim
(8).
9.
If necessary, pry seal (2) out of hub using screw-
driver or pry bar. With seal removed, outside bearing
cone (4) can be removed.
10.
If necessary, remove inner and outer bearing cones
(3, 5) 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.
Repair
1.
Cover Assembly.
a.
Remove two bolts (25) securing disconnect cap
(26) to cover (23) and remove cap.
b.
Remove two bolts (25) securing cover cap (24)
to cover and remove cap.
c.
Remove disconnect rod (27) from cap and
remove o-rings (28, 29) from cover cap. Discard
o-rings.
d.
If necessary, remove pipe plug (30) from cover.
e.
Clean and inspect parts in accordance with
Cleaning and Inspection procedures. Replace
parts as necessary.
f.
If removed, screw pipe plug into cover.
g.
Slip o-ring (29) over cover cap and against face.
h.
Place o-ring (28) into cover cap internal groove.
Disconnect rod may be used to push o-ring into
groove.
i.
Place cover cap into cover with large hole
located over pipe plug. Secure cover cap to
cover with two bolts. Torque bolts to 70-80 in.
lbs. (7.9-9.0 Nm).
j.
Place disconnect cap over cover cap with nipple
facing out and secure with two bolts. Torque
bolts to 70-80 in. lbs. (7.9-9.0 Nm).
k.
Turn cover over and push disconnect rod into
cover cap. Rod will be held in place by friction
from o-ring.
Содержание 740A
Страница 1: ...Service and Maintenance Manual Models 740A 740AJ P N 3121160 January 8 2013 ...
Страница 2: ......
Страница 20: ...xviii JLG Lift 3121160 LIST OF TABLES TABLE NO TITLE PAGE NO This page left blank intentionally ...
Страница 35: ...SECTION 1 SPECIFICATIONS 3121160 JLG Lift 1 15 Figure 1 4 Torque Chart SAE Fasteners Sheet 1 of 3 ...
Страница 36: ...SECTION 1 SPECIFICATIONS 1 16 JLG Lift 3121160 Figure 1 5 Torque Chart SAE Fasteners Sheet 2 of 3 ...
Страница 37: ...SECTION 1 SPECIFICATIONS 3121160 JLG Lift 1 17 Figure 1 6 Torque Chart SAE Fasteners Sheet 3 of 3 ...
Страница 38: ...SECTION 1 SPECIFICATIONS 1 18 JLG Lift 3121160 Figure 1 7 Torque Chart METRIC Fasteners Sheet 1 of 3 ...
Страница 39: ...SECTION 1 SPECIFICATIONS 3121160 JLG Lift 1 19 Figure 1 8 Torque Chart METRIC Fasteners Sheet 2 of 3 ...
Страница 40: ...SECTION 1 SPECIFICATIONS 1 20 JLG Lift 3121160 Figure 1 9 Torque Chart METRIC Fasteners Sheet 3 of 3 ...
Страница 50: ...SECTION 2 GENERAL 2 10 JLG Lift 3121160 Figure 2 2 Engine Operating Temperature Specifications Ford 4150548 E ...
Страница 51: ...SECTION 2 GENERAL 3121160 JLG Lift 2 11 Figure 2 3 Engine Operating Temperature Specifications GM 4150548 E ...
Страница 52: ...SECTION 2 GENERAL 2 12 JLG Lift 3121160 NOTES ...
Страница 109: ...SECTION 3 CHASSIS TURNTABLE 3121160 JLG Lift 3 57 Figure 3 39 Swing Hub ...
Страница 111: ...SECTION 3 CHASSIS TURNTABLE 3121160 JLG Lift 3 59 Figure 3 40 Swing Brake Assembly Ausco Prior to S N 0300068040 ...
Страница 123: ...SECTION 3 CHASSIS TURNTABLE 3121160 JLG Lift 3 71 Figure 3 43 Swing Drive Hub Fairfield S N 0300068040 to Present ...
Страница 135: ...SECTION 3 CHASSIS TURNTABLE 3121160 JLG Lift 3 83 Figure 3 48 Rotary Coupling Port Location ...
Страница 138: ...SECTION 3 CHASSIS TURNTABLE 3 86 JLG Lift 3121160 A B D D B C Figure 3 51 Auxiliary Pump Sheet 1 of 2 ...
Страница 153: ...SECTION 3 CHASSIS TURNTABLE 3121160 JLG Lift 3 101 Figure 3 54 EFI Component Location ...
Страница 156: ...SECTION 3 CHASSIS TURNTABLE 3 104 JLG Lift 3121160 Figure 3 55 ECM EPM Identification ECM EPM ...
Страница 167: ...SECTION 3 CHASSIS TURNTABLE 3121160 JLG Lift 3 115 Figure 3 59 Deutz EMR 2 Troubleshooting Flow Chart ...
Страница 168: ...SECTION 3 CHASSIS TURNTABLE 3 116 JLG Lift 3121160 Figure 3 60 Deutz EMR 2 Vehicle Side Connection Diagram ...
Страница 169: ...SECTION 3 CHASSIS TURNTABLE 3121160 JLG Lift 3 117 Figure 3 61 Deutz EMR 2 Engine Side Connection Diagram Sheet 1 of 2 ...
Страница 170: ...SECTION 3 CHASSIS TURNTABLE 3 118 JLG Lift 3121160 Figure 3 62 Deutz EMR 2 Engine Side Connection Diagram Sheet 2 of 2 ...
Страница 171: ...SECTION 3 CHASSIS TURNTABLE 3121160 JLG Lift 3 119 Figure 3 63 EMR 2 Engine Plug Pin Identification ...
Страница 172: ...SECTION 3 CHASSIS TURNTABLE 3 120 JLG Lift 3121160 Figure 3 64 EMR 2 Vehicle Plug Pin Identification ...
Страница 173: ...SECTION 3 CHASSIS TURNTABLE 3121160 JLG Lift 3 121 Figure 3 65 EMR2 Fault Codes Sheet 1 of 5 ...
Страница 174: ...SECTION 3 CHASSIS TURNTABLE 3 122 JLG Lift 3121160 Figure 3 66 EMR2 Fault Codes Sheet 2 of 5 ...
Страница 175: ...SECTION 3 CHASSIS TURNTABLE 3121160 JLG Lift 3 123 Figure 3 67 EMR2 Fault Codes Sheet 3 of 5 ...
Страница 176: ...SECTION 3 CHASSIS TURNTABLE 3 124 JLG Lift 3121160 Figure 3 68 EMR2 Fault Codes Sheet 4 of 5 ...
Страница 177: ...SECTION 3 CHASSIS TURNTABLE 3121160 JLG Lift 3 125 Figure 3 69 EMR2 Fault Codes Sheet 5 of 5 ...
Страница 236: ...SECTION 4 BOOM PLATFORM 4 20 JLG Lift 3121160 Figure 4 7 Boom Valve and Limit Switches Location 0271989 A ...
Страница 237: ...SECTION 4 BOOM PLATFORM 3121160 JLG Lift 4 21 Figure 4 8 Transportation Switch Installation CE Only 0258384 A ...
Страница 238: ...SECTION 4 BOOM PLATFORM 4 22 JLG Lift 3121160 Figure 4 9 Tower Power Track Installation Sheet 1 of 2 ...
Страница 239: ...SECTION 4 BOOM PLATFORM 3121160 JLG Lift 4 23 Figure 4 10 Tower Power Track Installation Sheet 2 of 2 ...
Страница 244: ...SECTION 4 BOOM PLATFORM 4 28 JLG Lift 3121160 Figure 4 14 Rotator Assembly HELAC ...
Страница 276: ...SECTION 4 BOOM PLATFORM 4 60 JLG Lift 3121160 THIS SENSOR ON NON ADE MACHINES ONLY Figure 4 21 UMS Sensor Location ...
Страница 277: ...SECTION 4 BOOM PLATFORM 3121160 JLG Lift 4 61 ADE MACHINES NON ADE MACHINES Figure 4 22 UMS Module Location ...
Страница 286: ...SECTION 4 BOOM PLATFORM 4 70 JLG Lift 3121160 NOTES ...
Страница 307: ...SECTION 5 HYDRAULICS 3121160 JLG Lift 5 21 Figure 5 17 Variable Displacement Pump Rexroth ...
Страница 316: ...SECTION 5 HYDRAULICS 5 30 JLG Lift 3121160 NOTES ...
Страница 319: ...SECTION 6 JLG CONTROL SYSTEM 3121160 JLG Lift 6 3 Figure 6 2 ADE Block Diagram ...
Страница 325: ...SECTION 6 JLG CONTROL SYSTEM 3121160 JLG Lift 6 9 Figure 6 8 Analyzer Flow Chart Version 5 X Software Sheet 2 of 4 ...
Страница 328: ...SECTION 6 JLG CONTROL SYSTEM 6 12 JLG Lift 3121160 Figure 6 11 Control Module Location ...
Страница 374: ...SECTION 6 JLG CONTROL SYSTEM 6 58 JLG Lift 3121160 NOTES ...
Страница 381: ...SECTION 7 BASIC ELECTRICAL INFORMATION SCHEMATICS 3121160 JLG Lift 7 7 Figure 7 11 Connector Installation ...
Страница 400: ...SECTION 7 BASIC ELECTRICAL INFORMATION SCHEMATICS 7 26 JLG Lift 3121160 Figure 7 34 Hydraulic Schematic Sheet 1 of 6 ...
Страница 402: ...SECTION 7 BASIC ELECTRICAL INFORMATION SCHEMATICS 7 28 JLG Lift 3121160 Figure 7 36 Hydraulic Schematic Sheet 3 of 6 ...
Страница 404: ...SECTION 7 BASIC ELECTRICAL INFORMATION SCHEMATICS 7 30 JLG Lift 3121160 Figure 7 38 Hydraulic Schematic Sheet 5 of 6 ...
Страница 406: ...SECTION 7 BASIC ELECTRICAL INFORMATION SCHEMATICS 7 32 JLG Lift 3121160 NOTES ...
Страница 407: ......