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SECTION 3 - CHASSIS & TURNTABLE
3121290
– JLG Lift –
3-27
Inspection
Wash all parts after disassembly (including end-cap and hous-
ing) thoroughly with clean solvent and allow to air dry. Blow
out oil passages in housing and endcap with compressed air.
Conduct inspection in a clean area and keep all parts free from
contamination. Clean and dry parts again after any rework or
resurfacing.
PISTON
Inspect pistons for damage and discoloration. Discolored pis-
tons may indicate excessive heat. Do not reuse.
SLIPPERS
Inspect running surface of slippers. Replace piston assemblies
with scored or excessively rounded slipper edges. Measure
slipper foot thickness. Replace piston assemblies with exces-
sively worn slippers. Check slipper axial end-play. Replace pis-
ton assemblies with excessive end-play.
Minimum slipper foot thickness and maximum axial end-play
are shown in table 3.6.
BALL GUIDE AND SLIPPER RETAINER
Inspect ball guide and slipper retainer for damage, discolor-
ation, or excessive wear. A discolored ball guide or slipper
retainer indicates excessive heat. Do not reuse.
CYLINDER BLOCK
Measure cylinder block height. Replace blocks worn beyond
minimum height specification. Inspect running surface of cyl-
inder block. Replace or resurface worn or scratched blocks.
Blocks may be resurfaced if resurfacing will not reduce block
height below minimum specification shown in Table 3-9, Cyl-
inder Block Measurements.
Table 3-8. Slipper Foot Thickness & End Play
Measurement
L Frame
K Frame
Slipper Foot Thickness
mm
(in.)
2.71
(0.11)
4.07
(0.16)
Piston/Slipper End Play
0.15
(0.006)
Slipper retainer
Ball guide
A
Table 3-9. Cylinder Block Measurements
Measurement
L25
L30
L35
K38
K45
Minimum Cylinder Block Height (A)
50.8 (2.00)
50.8 (2.00)
50.8 (2.00)
54.4 (2.14)
54.4 (2.14)
Cylinder Block Surface Flatness
0.002
(0.0000079)
0.002
(0.0000079)
0.002
(0.0000079)
0.002
(0.0000079)
0.002
(0.0000079)
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: ......