Landoll Bendi B40i4, Maintenance Manual

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TROUBLESHOOTING AND CORRECTIVE MAINTENANCE
3-45
22. Coat the piston seal contact surface in the brake
housing with anti-oxidizing grease - Mobil XHP222 or
equivalent.
23. Install a new O-ring, item 106, on the piston, item
107. See Figure 3-52.
NOTE
The ring should be tight on the piston and not twisted.
24. Install the brake piston, item 107, in the brake body,
item 101. See Figure 3-53.
NOTE
Be careful when passing the seal over the snap ring
groove.
25. Install the spring washer, item 108, on the brake
piston, item 107. See Figure 3-54.
26. Using a press or an extractor, apply 15740 lbs
(70000N) of compressive force to install the snap
ring. See Figure 3-55.
Figure 3-52: Install New O-Ring
V
Figure 3-53: Install Brake Piston
Figure 3-54: Install Spring Washer
Figure 3-55: Apply 15,740 lbs to Snap Ring
27. Supply the pressure to the brake and measure the
brake piston stroke using a dial gauge.
See Figure 3-56.
28. Calculate the shimming, item 105, value(measured
travel) in order to control the stroke of .034” (.87mm).
See Figure 3-50.
29. Reapply the compressive force to remove the snap
ring, item 109.
30. Remove the spring washer. See Figure 3-57.
31. Remove the brake piston. See Figure 3-58.
106 Brake piston O-ring
107 Brake piston
108 Spring washer
109 Snap ring
115 Tourque reduction shim
141 Brake cover
142 Plug
143 O-ring
Table 3-1: Component Descriptions
Rep. Item Description