GROVE 10-21
CD3340B/YB4411 STEERING SYSTEM
Published 04/07/2015 Control # 569-00
6. On the other end of the cylinder, repeat steps 4 and 5.
7. Remove three cap screws (17) fastening the cylinder to
the axle housing. Remove the cylinder. It may be
necessary to drive the cylinder out of its mounting
brackets using a rubber hammer.
8. Take the cylinder to a clean work area for disassembly.
Disassembly
1. Place the cylinder in a vice. Do not clamp on the cylinder
tube. Clamp onto the square flange attached to the tube.
2. Separate the cylinder head from the cylinder tube and
remove it.
3. Pull the cylinder rod out of the cylinder tube.
4. Remove and discard all seals from the cylinder rod
piston, cylinder head and cylinder tube.
Assembly
1. Install new seal kit (18, Figure 10-25) to the cylinder rod,
cylinder tube and cylinder head.
2. Install the cylinder rod into the cylinder tube being
careful not to damage any of the seals in the cylinder
tube and on the cylinder rod piston.
3. Install the cylinder head onto the cylinder rod, being
careful not to damage any of the seals in the cylinder
head.
Installation
1. Install the cylinder to the axle housing using three cap
screws (17, Figure 10-25). Tighten the cap screws to a
torque of 120 Nm (88 lb-ft).
2. Install the tie rods (12) to the ends of the cylinder rod.
Check reference marks to make sure the tie rods are in
the correct position. Tighten the tie rods to a torque of
300 Nm (220 lb-ft).
3. Install the ball joint of one of the tie rods into the swivel
housing. Install the lock nut and tighten to a torque of
220 Nm (162 lb-ft).
4. Repeat step 3 for the other tie rod.
5. Connect the hydraulic hoses to the steering cylinder.
6. Start the engine and turn the steering wheel in both
directions several times to release any air trapped in the
steering cylinder and the hoses.
7. Check the steering cylinder and hydraulic lines for leaks.
Reference Only
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