JLG 1230ES, Руководство по обслуживанию и ремонту

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SECTION 4 - BASE COMPONENTS
3121222 – JLG Lift – 4-9
5. Apply Loctite #222 to the threads of the piston
set screw, thread the screw into the hole in the
side of the piston and tighten to 20Nm (5 ft. lb.).
6. Place a new piston (kban) seal onto the piston.
7. Lubricate the o’ring seals on the cylinder head.
Check that the threads on the cylinder head and
inside the cylinder barrel are clean and free of
any debris.
EXTREME CARE SHOULD BE TAKEN WHEN installING THE CYLINDER
ROD, HEAD, AND PISTON into the cylinder barrel. AVOID PULLING
THE ROD OFF CENTER, WHICH COULD CAUSE DAMAGE TO THE PISTON
AND CYLINDER BARREL SURFACES.
8. Carefully slide the loaded cylinder rod assembly
into the cylinder barrel.
9. Screw the cylinder head in until tight, torque the
cylinder head to 55Nm (112 ft. lb.), using the
proper spanner wrench.
10. Reinstall the steer cylinder back onto the
machine.
11. Power up machine and cycle the steering left
and right until the steering is working smoothly.
12. Check the hydraulic oil level in the hydraulic oil
tank located on the pump/valve/tank assembly.
Oil level should be between min. and max. on
the side of the tank.
Cylinder Head Installation
1. Cylinder Head (Gland) 2. Spanner Wrench (48mm -
1.89" Dia., 5mm Pin
Dia.)