Equipment Lowering with Engine Stopped - Machines With Lock Valves
Show/hide table
| |
| Illustration 1 | g02047754 |
The load control valve (if equipped) for the loader is located on each lift cylinder.
The load control valve for the loader is used to hold the loader in place in case of a hose failure in the lift circuit.
To lower the loader to the ground, perform the following procedure.
Show/hide table
| |
| Illustration 2 | g00514917 |
- Install a
6 mm (0.25 inch) hose onto the purging screw. Route the other end of the hose into a suitable container in order to drain the oil. - Loosen the purging screw slightly and allow the oil to drain until the loader lowers to the ground. Tighten the purging screw after the loader is on the ground.
Show/hide table
 |
|
Personal injury or death can result from the boom falling. Keep personnel away from the rear of the machine when lowering the boom. |
Show/hide table
| |
| Illustration 3 | g02047755 |
The boom load control valve (if equipped) is located on the boom cylinder.
The boom load control valve is used to hold the boom in place in case of a hose failure in the boom circuit.
To lower the boom to the ground, perform the following procedure.
Show/hide table
|
| |
| Illustration 4 | g00514917 |
- Install a
6 mm (0.25 inch) hose onto the purging screw. Route the other end of the hose into a suitable container in order to drain the oil. - Loosen the purging screw slightly and allow the oil to drain until the boom lowers to the ground. Tighten the purging screw after the boom is on the ground.
Caterpillar Information System:
AP555E and BG555E Asphalt Pavers Drag Conveyors - Adjust
AP555E and BG555E Asphalt Pavers Cooling System Water Temperature Regulator - Replace
AP555E and BG555E Asphalt Pavers Cooling System Coolant Level - Check
AP555E and BG555E Asphalt Pavers Cooling System Coolant Sample (Level 2) - Obtain
AP555E and BG555E Asphalt Pavers Cooling System Coolant Sample (Level 1) - Obtain
AP555E and BG555E Asphalt Pavers Cooling System Coolant (ELC) - Change
M325D MH Material Handler Lubricant Viscosities
General Salvage and Reconditioning Techniques {0374, 1000} General Salvage and Reconditioning Techniques {0374, 1000}
2009/12/16 New Messenger Display Is Now Used on Certain Motor Graders {7490, 7610, 7620}
M325D MH Material Handler Engine Starting with Auxiliary Start Receptacle
2010/11/29 A New Control Valve is Available for the Stick Function {5051}
2010/05/28 The Swing Bearing Has Been Improved on Certain Excavators {7063}
AP555E and BG555E Asphalt Pavers Drag Conveyors - Lubricate
AP555E and BG555E Asphalt Pavers Engine Air Cleaner Inlet - Clean
422E, 428E, 432E, 434E, 442E and 444E Backhoe Loaders Equipment Lowering with Engine Stopped - Machines With Lock Valves
AP555E and BG555E Asphalt Pavers Engine Air Filter Service Indicator - Inspect
AP555E and BG555E Asphalt Pavers Engine Crankcase Breather - Clean
AP555E and BG555E Asphalt Pavers Engine Mounts - Inspect
M325D MH Material Handler Final Drive Oil Level - Check
M325D MH Material Handler Final Drive Oil Sample - Obtain
M325D MH Material Handler Hydraulic System Oil - Change
2009/12/16 A New Ride Control Valve is Available for the IT14G Integrated Toolcarrier and the 914G Wheel Loader {5004, 5132, 5479}
C27 PET GEN SET Electric Power Generation and C27 KNOCKDOWN K Petroleum Power Train Package Sound Information
2009/12/18 Improved Boxes Are Now Used In the Exhaust Pipe Groups on 770 and 772 Off-Highway Trucks {1061}