eep UNIVERSAL SERIES EEllEERVl CTE MANUAL N D l jlill LUBE ONLY This differential is available for rear axles only Whenever a replacement or conversion Powr Lok diIil e ren1 ial is to be installed in an axle which has l V VVVV bglegrll previously in service and acquired IT1il 6g r V be sure to record the amount of backlash between i l El El EE f I ririlili i i the rin ear and inion at the time of disassembly c W V W l Izlf V V V E g P fr E r ilz E t 5 ET I When the axle is again assembled the ring gear gf iii i A if and jpinionl must be set to this same amount of back E E jii r Er E V laielli v ii V iw ii i i A P A le ratios and speedometer gear application is fZ or EE l l i iiili c r i x t l Very im1 rt3 t l like m d 3l axles the ram may ji iilil lilii be cliaznged by simply changing to the desired ring i E v V i A V VV gear and pinion except in the case of the 3 73 1 0 Oy higher ratios Wh h Cl l8Dglf 1g fI OU 1 3 OY i I higher to 3 54 or lower ratio or vice versa the 3189 di1f l ere1ntial case must also be changed on a stand rio N 36 MPINION snartr on s12AL nJsTALLER and lii erential assembly and the differential as 1 I oel w i4 sembly less ring gear and pinion when a Powr Lok V in differezntziail assembly is involved Il Vhen changing p Remove the sleeve previously installed in place from any ratio to another it will also be necessary of the yollaei Install the oil seal with Tool W 147 to change speedometer gears Speedometer gears shown 1n F1g N 36 for Powr Lok and standard differentials of the q Install the yoke with Flange Installer W l62 same ratio are interchangeable A complete rear as shown in Fig N 37 axle assembly replacement is necessary if a con i Install pinion nut and Conor ioin verslion fr og1 one type of differential assembly to s Install axle shafts and housing cover illEE i li E blr N le P owr Lok differentials use a special lubri N 20 POWR I OK DIFFERENTIAL cant Refer to the Lubrication Chart As optional equipment Powr Lol was previously availableion all jeep Universal rnoclels equipped N ll Trouble Symptoms and Possible Causes with semi float tapered axle shafts Ihe Powr Lok if noises such as chatter are detected when turning differential may be identified by a tag located on i a i onner the probable reason for this is that incor the opposite side of the differential housing from i i rel 1 gear lubricant has been installed in the axle the ratio tag Fig N 2 and stamped with either A i q ec ui ed with 3 limit d Qin dif ti i a r or with the words Usr LINIITED sue I W F l 3 reqiuire special lubricant Refer to Lubrication Sec tion Parr B 52 I Note It may be necessary to use an additive to A 3t l lE l fllTlt to eliminate chatter If this is not success V iiii i i i ful then disassembly and inspection of the differen A tial becomes necessary Wi g Waarhinng Extreme care must be exercised on a I QQ i Powr Lok equipped vehicle to be sure the transmis i Vi lnili Ivi sion iz in the neutral position whenever the engine V i is started with one wheel jacked up Otherwise the jelfici Vehiitle may lurch unexpectedl and fall off the i all y i ei iii Erfr l l i l N 2 2 Ton T t I 11873r we es I Procedure for testing torque Powr Lok differentials FIG N 37 YOKE INSTALLING TOOL on jeep Universal Series vehicles is as follows gg 4 Q i G t i A wl t Tl ig in 2 xl i7 lil Tl l FIG N 38 POWR Lox 1 ir FERr NT1A1 il 2 i i jk 4 l l 7 iii ii f ni if lv li ici in j l l lz h ill 1 Differential Case Flange Half l lt Fill ll l a l I ll f Y T Y l iZ ZE Pi S io l p L N l l A V l gJ g l Q xl 4 Side Gear anclgPi i0n Mate Gear Set g ll H in 5 Pinion Mate Cross Shaft 0 V 5 i D t Eif er nitial gase Button Half t X 3 CBT URI 8 Axle Shaft Sigzcer Roll Pin 11564 3 l