JLG 266 LoPro Service Manual - Manual (Page 69)

7.9 266, 307, 266 LoPro
Engine: Deutz BF 4M 2012
16. Check that all hydraulic, electrical, cooling, fuel and
exhaust system connections are correct and
connected tightly.
17. Run engine to normal operating temperature then shut
off the engine. While the engine is cooling, check for
leaks.
18. Allow the engine to cool. Check the radiator coolant
level, and top off with a 50/50 mixture of ethylene
glycol and water. Replace the radiator cap.
19. 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.
IMPORTANT: During the full throttle check:
• DO NOT operate any hydraulic function.
• DO NOT steer or apply any pressure to the steer-
ing wheel.
• Keep the transmission in NEUTRAL (N).
20. Obtain and connect an appropriate engine analyzer
or tachometer. Check the engine rpm at full throttle.
If the rpm is not 2370 ±50 rpm, readjust the throttle
limit-stop screw at the throttle pedal within the cab.
21. Purge the hydraulic system of air by operating all
boom functions through their entire range of motion
several times. Check the hydraulic oil level.
22. Check for proper operation of all components.
23. Turn the engine OFF.
24. Install the belly pan.
25. Install the engine cover. Close and secure the cover.
7.9 ENGINE COUPLER
7.9.1 Coupler Removal
1. Remove Hydrostatic transmission (3). Refer to
Section 6.4.1, “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 (4) to
the engine.
3. Pull off the Flywheel Cover Plate to expose the
coupler (5) and the flywheel.
4. Remove the necessary bolts to detach the coupler
and flex plate (6).
7.9.2 Coupler Installation
1. Attach the coupler (5) and flex plate (6) using the
necessary bolts. Torque to 210 Nm (155 lb-ft)
2. Bolt on the Flywheel Cover Plate (4) over the coupler
and flywheel. Torque bolts to 50 Nm (37 lb-ft).
3. Reattach the hydrostatic transmission (3). Follow all
guidelines in Section 6.4.3, “Transmission
Installation.”
MAH0630
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