Lull 944E-42 Operation Manual - Manual (Page 138)

136 Model 944E Origin 3/04
General Maintenance
4. Turn the ignition switch to the ON position (with the engine not running),
release the park brake (park brake switch OFF).
5. Pressurize the park brake with the pressurizing unit. Pump pressure into
the park brake system. DO NOT exceed 650 psi (45 bar). Close the pump
needle valve on the pressurizing unit.
6. Working through the level plug hole (1), carefully use a screwdriver to
spread the brake discs apart.
IMPORTANT! DO NOT damage the surfaces of the brake discs when spreading the
brake discs
7. Using a feeler gauge, check the gap (2) between the brake discs (3). If the
gap is greater than .22" (5,6 mm), replace the brake discs.
NOTE: If the brake discs are worn beyond .22" (5,6 mm), the brake disc must be
replaced on both sides of the axle at the same time.
8. Repeat step 6 and step 7 for the other side of the axle.
9. Continue with step 6 of ìB. Axle Oil Changeî on page 134.
CAUTION:
DO NOT exceed 650 psi (45 bar) when pressurizing
the park brake. Applying too much pressure may damage the brake
seals.
MT2850
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