JLG 723A Service Manual - Manual (Page 81)

7-9 L2906H, 2906H, 3507H, 619A, 723A, 29.6LP, 29.6, 35.7
Engine: Deutz TCD 2012
14. Unbolt and remove the fan safety shroud.
15. Remove bolts securing the radiator and lift it clear of
engine compartment. Refer to section Section 7.5.2,
“Radiator/Oil and Charge Air Cooler Replacement.”
16. Mark the engine fan orientation. Remove the engine
fan.
17. Label and disconnect all wire connections on the
engine.
18. Mark the location of the throttle cable (2) at the
engine throttle lever. Disconnect the throttle cable.
19. Detach exhaust and air cleaner hoses from the
engine. Cover air inlets to protect from dirt and
debris.
20. Remove air cleaner assembly from engine
compartment.
21. Completely disconnect exhaust pipe.
22. Remove the hydraulic reservoir fill tube.
23. Secure the engine with a lifting strap or chain from
the appropriate lifting points (3). Use a suitable hoist
or overhead crane.
24. Remove the four motor mount bolts (4) that attach
the engine to the frame.
25. Carefully lift the engine from the machine. Avoid
causing damage to the surrounding parts.
26. Lift the engine clear of the machine, and lower it onto
suitable supports or stand. Secure the engine so that
it will not move or fall.
7.10.2 Engine Disassembly, Inspection and
Service
Engine disassembly, internal inspection, service, repair
and assembly procedures are covered in the Deutz TCD
2012 service manual. Several special engine service tools
are required to properly service the Deutz engine. Contact
the local Deutz dealer for further information.
Note: If the engine is being replaced, there may be external
components that will be required to be transferred from the
original engine to the replacement engine depending upon
who you purchase the new engine from and the
configuration of your replacement engine. Refer to the
appropriate Deutz user manual for detailed procedures that
cover the transfer of original engine components to the
replacement engine.
7.10.3 Engine Installation
Note: Refer to Section 2.2, “Torques,” for specific
fastener torque specifications.
1. Position engine in engine compartment being sure to
line up the 4 motor mount holes. Replace bolts (4)
and torque to 97 Nm (71 lb-ft).
2. Connect the hydraulic reservoir fill tube.
3. Connect the exhaust pipe to the engine.
4. Install the air cleaner assembly into the engine
compartment and attach hose to air intake.
5. Reconnect throttle cable (2) onto the engine, if
necessary adjust for full travel.
6. Reattach any previously labeled wire connections on
the engine.
7. Attach the engine fan.
8. Reinstall the front and rear engine cover supports.
9. Secure the radiator with the necessary bolts and
attach the fan safety shroud. Check that the fan top
clearance is adequate with regard to the radiator.
Reattach the previously labeled hoses. Refer to
Section 7.5.2, “Radiator/Oil and Charge Air Cooler
Replacement.” Fill with coolant.
10. Install the filter bracket assembly. Secure the
hydraulic and fuel filters.
11. Connect the fuel inlet line to the fuel filter (1) and
reconnect the return fuel line to the engine.
12. Uncap and reconnect all hydraulic hoses and fittings
to the engine and necessary hydraulic elements.
Keep hoses free of dirt and debris.
13. Uncap and connect and cap both air conditioning
hoses.
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