Clutches, Rear Axles, and Steering Lubrication Fig. 6.1 . After the vehicle is moving on the highway, the axle can be shifted to high range. The release bearing should be lubricated at frequent intervals. See Group 25 of the Cargo Maintenance Manual for intervals and procedures. B CAUTION Failure to lubricate the release bearing as recom- mended could result in release bearing damage and damage to the clutch. A Hydraulic Clutch Fluid Reservoir Checking 10/31/94 f600370a A. Push down for low speed range. B. Pull up for high speed range. Make sure that the clutch fluid reservoir is full. The res- ervoir is full when the fluid level is up to the "max" mark.
The fluid level must always be above the "min" mark. Use only heavy-duty brake fluid, DOT 3, in the hydraulic-clutch system. Fig. 6.1, Range Selection Lever Operation To shift the axle to the high range: keep the throttle pedal down, then move the range selection lever to high; release the throttle pedal until the axle shifts, then accelerate. Rear Axles Meritor Two-Speed Rear Axle To shift the axle to low range: keep the throttle pedal down, then move the range selection lever to low; re- lease and then depress the throttle pedal quickly to in- crease engine rpm. The axle will shift to low range.
The two-speed rear axle can be used to operate the vehicle in low range when operating off-highway or when starting out with a heavy load on-highway. See NOTE: When parking the vehicle, put the axle in the low range with the engine running. Engage the clutch and transmission to be sure the axle has 6.3