Freightliner — Freightliner Cascadia Maintenance Manual (EN)

Introduction Page Description For an example of a Maintenance Manual page, see Fig. 1 . A C B F D E 06/11/2007 A. Maintenance Operation Number consists of the Group Number followed by the Sequence Number B. Group Title C. Group Number D. Vehicle Name E. Release Date F. Group Number/Page Number f020166 Fig. 1, Example of a Maintenance Manual Page Cascadia Maintenance Manual, May 2011 41 Driveline 41−01 Driveline Inspection 1. Park the vehicle on a level surface, apply the parking brakes, and chock the tires.

CAUTION Due to the extreme load occurring at high−speed rotation, a loose or broken capscrew at any point in the driveline will weaken the driveline connec− tion, which could eventually result in serious ve− hicle damage. Tighten bearing−cap capscrews or yoke−strap capscrews to specif ed torque, being careful to not overtighten. 12/09/97 f410182 2. For U−jointswith bearing caps,tighten bearing− Fig. 2, Arvin Meritor RPL Series U−Joint cap capscrews 43 lbf·ft (49 N·m). SeeFig. 1. If any end−yoke can be moved in or out on its For Arvin Meritor RPL series U−joints, tighten shaft, or can be rocked on its shaft, disconnect bearing−capcapscrews 125 lbf·ft (169 N·m).

See the driveshaft and U−jointfrom the yoke, then Fig. 2. check the drive component’s shaft seal for leak− For U−jointswith yoke straps,tighten yoke−strap age or other visible damage that may have been capscrews 125 lbf·ft (169 N·m). SeeFig. 3. caused by the loose yoke. Replace the seal if n Ge re od ue pd 4, 1th e on tt hig eh Cte an cth ae iy ao TMk e n ou rkt. hR oe pfe Mr t ao f s d W s nual for torque specifications. If the yoke is still loose after tightening the yoke nut, replace the end− yoke and yoke nut. 1 Replace the prevailing torque locknut (end−yoke nut) if it was removed for yoke replacement, seal 2 replacement, or any other reason. 4.

Check U−jointassemblies for wear by moving the driveshaft up and down, and from side to side. If any movement of the U−jointcross in the bear− ings can be felt or seen, replace the U−joint as− sembly. M ER RO IT 5. Check if the midship bearing and mounting are loose or have deteriorated, by attempting to 1 1 m too sv ie d et .h e If d thr eiv e bs eh aa rif nt gu p is a ln od o sd eo w onn , i ta s n sd h afr fo t,m o rside 0 14 ./13 S C/9 e a8 l pf− sL cro ec wking 2. Adhesive Bandf410155a r o t Cha n aet t l te ph cs re ao, pfr ire aea Yp rm la te Woc , r e oqt i rugi kt eh.

t hI vef ant plh ut e h e .eb Se m na e uo er ai un lGn fg ot r i rm on tg u oo p ru f qa n 4 ust 1 t eeis on f pl e o t ero hs cs e it fe o s d s o M a s − cations. Replace the midship bearing assembly if Fig. 1, Arvin Meritor U−JointFasteners for Bearing the rubber cushion is deteriorated or oil−soaked. Caps 6. Check slip joints for spline wear by moving the 3. Check the driveline yokes for cracks, and check sleeve−yoke and splined shaft back and forth. end−yokes for looseness. SeeFig. 3. SeeFig. 4. If the slip joint can be twisted in a Replace cracked yokes. clockwise, or counterclockwise movement CascadiaTM Maintenance Manual, July 2007 41/1