JLG 723A Service Manual - Manual (Page 82)

Engine: Deutz TCD 2012
7-10 L2906H, 2906H, 3507H, 619A, 723A, 29.6LP, 29.6, 35.7
14. Refill the hydraulic reservoir (Refer to the
appropriate Operation & Safety Manual for
information concerning the hydraulic oil and filter
change).
15. Reinstall the engine cover and radiator cover.
16. Reconnect the battery terminals, being sure to start
with the positive (+) terminal.
17. Check that all hydraulic, electrical, cooling, fuel and
exhaust system connections are correct and
connected tightly.
18. Recharge the air conditioning system. Refer to
Section 4.4.11, “Air Conditioning (If Equipped).”
19. Run engine to normal operating temperature then shut
off the engine. While the engine is cooling, check for
leaks.
20. Allow the engine to cool. Check the radiator coolant
level, and top off with coolant. Replace the radiator
cap.
21. Check for leaks from the engine, main hydraulic pump
and lines, transmission, hydraulic reservoir and fuel
tank. Check the levels of all fluids and lubricants. Fill
as required.
22. Check the engine rpm at high idle. Refer to Section
4.4.5, “Throttle Cable Adjustment,” and Section
4.4.6, “High Idle Adjustment,” for adjustment
procedure.
23. Purge the hydraulic system of air by operating all
boom functions through their entire range of motion
several times. Check the hydraulic oil level.
24. Check for proper operation of all components.
25. Turn the engine OFF.
26. Install the belly pan.
27. Install the engine cover.
28. Close and secure the cover.
29. Remove the Do Not Operate Tags from both the
ignition key switch and the steering wheel.
7.11 ENGINE COUPLER
7.11.1 Coupler Removal
1. Remove Hydrostatic transmission. Refer to Section
6.5.1, “Transmission Removal.” Be sure to follow all
described safety guidelines.
2. After transmission has been removed, take out the
12 bolts that attach the Flywheel Cover Plate to the
engine.
3. Pull off the Flywheel Cover Plate to expose the
coupler assembly (1).
4. Remove the necessary bolts to detach the coupler
assembly.
7.11.2 Coupler Installation
1. Attach the coupler assembly (3) using the necessary
bolts. Torque to 210 Nm (155 lb-ft).
2. Bolt on the Flywheel Cover Plate over the coupler
and flywheel. Torque bolts to 50 Nm (37 lb-ft).
3. Reattach the hydrostatic transmission. Follow all
guidelines in Section 6.5.2, “Transmission
Installation.”
7.12 TROUBLESHOOTING
Refer to Section 7.4, “Specifications and Maintenance
Information,” for detailed engine service information or
contact the local Deutz dealer.
NOTICE
During the full throttle check:
• DO NOT operate any hydraulic function.
• DO NOT steer or apply any pressure to the
steering wheel.
• Keep the transmission in NEUTRAL (N).
MY2550
1