JLG 723A Service Manual - Manual (Page 77)

7-5 L2906H, 2906H, 3507H, 619A, 723A, 29.6LP, 29.6, 35.7
Engine: Deutz TCD 2012
8. Place a funnel at the base of the radiator to channel
the drained coolant into the container. Open the
radiator petcock and drain the coolant into the
funnel. Transfer the fluid into a properly labeled
container. Dispose of properly if coolant needs to be
replaced. Close the radiator petcock.
9. Label, disconnect and cap all charge air tubes
attached to the radiator. Cap all openings to keep
dirt and debris from entering the cooling system.
10. Label, disconnect and cap all coolant hoses
attached to the radiator. Cap all fittings and openings
to keep dirt and debris from entering the cooling
system.
11. Label, disconnect and cap all hydraulic hoses
attached to the radiator. Cap all fittings and openings
to keep dirt and debris from entering the hydraulic
system.
12. Detach the fan safety shroud.
13. Remove the locknuts (1) holding the radiator
assembly at the side and bottom of the machine.
14. Connect a lifting strap to the radiator/oil cooler and
carefully lift the radiator/oil cooler out of the machine.
b. Radiator/Oil Cooler Installation
1. Install the radiator assembly into the machine and
secure in place with new locknuts.
2. Be sure the engine fan has clearance in regard to
the radiator. Install the engine cover support (1) to
the frame and radiator.
3. Attach the fan safety shroud.
4. Uncap and reconnect the previously labeled
hydraulic hoses to the appropriate locations.
5. Uncap and reconnect all previously labeled coolant
hoses to the appropriate locations.
6. Fill the coolant overflow bottle with coolant.
7. Properly connect the battery.
8. Run the engine to operating temperature. Visually
check for leaks with the engine running. Check the
coolant level in the overflow bottle and fill, or drain,
as necessary. Check the hydraulic fluid level in the
tank and add fluid as required.
9. Close and secure the engine cover.
10. Remove the Do Not Operate Tags from both the
ignition key switch and the steering wheel.
7.6 ENGINE ELECTRICAL SYSTEM
The engine electrical system, including the starter,
alternator and primary wiring, is described in Section 9,
“Electrical System.”
7.7 FUEL SYSTEM
7.7.1 Diesel Fuel
Fuel represents a major portion of machine operating
costs and therefore must be used efficiently. ALWAYS
use a premium brand of high-quality, clean diesel fuel.
Low cost, inferior fuel can lead to poor performance and
expensive engine repair.
MZ5440
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