SECTION 3 - CHASSIS & TURNTABLE
3121290
– JLG Lift –
3-91
Electronic Pressure Regulator (EPR) Replacement
REMOVAL
NOTE:
Refer to Figure 3-59. GM 3.0 Dual Fuel System Components.
1.
Unplug EPR (102) electrical connector.
2.
Remove hoses from EPR.
3.
Remove four flange nuts (107) and EPR from Mixer (104).
4.
If new EPR is being installed, remove and retain hose
adapter (103) and four bolts (105).
INSTALLATION
1.
If new EPR is being installed, install adapter (103) and
four bolts (105) to EPR.
2.
Install EPR (102) on Mixer (104). Secure with four flange
nuts (107).
3.
Reattach all hoses.
4.
Start engine and leak check all fittings and connections.
Regulator Replacement
NOTE:
Refer to Figure 3-59. GM 3.0 Dual Fuel System Components.
REMOVAL
1.
Disconnect and remove Lock-Off Valve (12) from Regula-
tor (16).
2.
Remove hoses from regulator.
3.
Remove regulator from engine.
INSTALLATION
1.
Install Regulator (16) on engine.
2.
Install hoses on regulator.
3.
Install Lock-Off Valve (12) to Regulator. Reconnect Lock-
Off Valve.
4.
Start engine and leak check all fittings and connections.
Coolant Hose Replacement
REMOVAL
1.
Drain coolant.
2.
Using hose clamp pliers, disconnect both hose clamps
on each hose.
3.
Remove hose from fittings.
INSTALLATION
NOTE:
Use hose material and lengths specified by JLG.
1.
Install hose clamps to each hose and set clamp back on
each hose to make installation easier.
2.
Fit hose to fittings.
3.
Secure by positioning each of the clamps.
Vapor Hose Replacement
REMOVAL
1.
Disconnect both hose clamps using hose clamp pliers.
2.
Remove vapor hose from each fitting.
INSTALLATION
VAPOR SUPPLY HOSE IS SPECIFICALLY DESIGNED FOR THIS EQUIPMENT. DO
NOT USE HOSE MATERIAL OR LENGTH OTHER THAN JLG SPECIFIED PARTS.
1.
Install hose clamps and set back on each hose.
2.
Reinstall vapor hose to each fitting.
3.
Reset clamps.
4.
Start engine and check for leaks.
Summary of Contents for 450A II Series
Page 46: ...SECTION 3 CHASSIS TURNTABLE 3 6 JLG Lift 3121290 Figure 3 4 Drive Hub 4WD Front Only ...
Page 79: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 39 Figure 3 32 Swing Bearing Drive ...
Page 101: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 61 Figure 3 42 Auxiliary Pump ...
Page 113: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 73 Figure 3 53 EMR2 Fault Codes Sheet 1 of 5 ...
Page 114: ...SECTION 3 CHASSIS TURNTABLE 3 74 JLG Lift 3121290 Figure 3 54 EMR2 Fault Codes Sheet 2 of 5 ...
Page 115: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 75 Figure 3 55 EMR2 Fault Codes Sheet 3 of 5 ...
Page 116: ...SECTION 3 CHASSIS TURNTABLE 3 76 JLG Lift 3121290 Figure 3 56 EMR2 Fault Codes Sheet 4 of 5 ...
Page 117: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 77 Figure 3 57 EMR2 Fault Codes Sheet 5 of 5 ...
Page 159: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 119 ...
Page 161: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 121 ...
Page 163: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 123 ...
Page 165: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 125 ...
Page 173: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 133 Sensor Transducer Type ...
Page 177: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 137 Sensor Transducer Type ...
Page 179: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 139 ...
Page 181: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 141 ...
Page 183: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 143 ...
Page 185: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 145 ...
Page 187: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 147 ...
Page 203: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 163 ...
Page 207: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 167 ...
Page 217: ...SECTION 4 BOOM PLATFORM 3121290 JLG Lift 4 5 Figure 4 2 Boom Limit Switches ...
Page 310: ...SECTION 5 HYDRAULICS 5 70 JLG Lift 3121290 NOTES ...
Page 312: ...SECTION 6 JLG CONTROL SYSTEM 6 2 JLG Lift 3121290 Figure 6 2 Controller Block Diagram 0 ...
Page 370: ...SECTION 6 JLG CONTROL SYSTEM 6 60 JLG Lift 3121290 NOTES ...
Page 394: ...SECTION 7 BASIC ELECTRICAL INFORMATION SCHEMATICS 7 24 JLG Lift 3121290 NOTES ...
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