Powertrax 4110 User Manual Page 1

1LOCK-RIGHT™ Performance Locker Installaon ManualRemovable third member axles—one-piece case, 2-pinion dierenalTypical of Toyota®, Nissan®, Isuzu®

10Figure 5Install pins in window holesLOCK-RIGHT InstallaonPreparing the Parts for Assembly 1. Coat the teeth of the couplers and drivers, the larg

11Figure 6Install thrust washer on each couplerAssembly of the LOCK-RIGHT Parts into theDierenal Case Summary of steps in this secon: a) Install

12Figure 7Install coupler/thrust washer assemblies 5. Repeat this step for the other driver-and spacer assembly (Figure 8).Dierenal Case Compleon

13Figure 8Install driver/spacer assembliesFigure 9Push rst pin into opposite driver

14Figure 10Install dual spring assemblyFigure 11Compress spring assembly and push into hole

15 3. Place one end of a spring assembly into the win-dow hole, behind the pin (Figure 10). Compress it with a small screwdriver and pop the

16Figure 13Install pinion sha Be sure to orient it so that its retaining pin hole will line up with the hole in the dierenal case (Figure 13). If

17 1. Posion the carrier vercally, with the drive sha ange poinng down. It can be held in a vise or even stood on its nose in a coee can i

18Figure 14Re-install cap and adjuster at marked posionFigure 15Turn other adjuster to nal posion; install locks

19The last poron of the turn should be dicult because pre-load is being applied to the bearings by spreading the caps apart as the adjuster is being

2Introducon Welcome to the growing family of LOCK-RIGHT owners! This manual will help you install your new LOCK-RIGHT automac 100% full-locking di

20Third Member Installaon 1. Clean the mang surface of the axle housing and the mounng surface of the dierenal carrier. 2. Clean the inside o

21Tesng Your Installaon 1. Be sure that the vehicle is safely blocked. Leave the axle assembly on the jack stands, with both res free to rotate

22Subsequent Disassembly If something is not correct now or if you need to disas-semble your LOCK-RIGHT in the future, we will briey describe the pr

23 If your dierenal case or thrust washers are excessively worn, your new LOCK-RIGHT Locker may not be able to operate as it was designed. Therefo

24The following [WARNING] and [CAUTION] informaon is supplied to you for your protecon and to provide you with many years of trouble free a

25•Do not operate the transmission or ring and pinion with- out proper lube and correct amount.•For safe operaon and to maintain the unit warranty,

26NOTES:

27NOTES:

28AN AMERICAN LEGEND FOR OVER 50 YEARS

3Background Informaon The dierenal case is the round housing inside the rear axle assembly to which the ring gear is bolted and which contains the

4Figure 1LOCK-RIGHT Exploded ViewTHRUSTWASHERCOUPLER(SIDE GEAR)DRIVER STOP PIN;SPACERBIASSRPINGSPINIONSHAFT(S)(BLOCK)DRIVER COUPLER(SIDE GEAR)THRUSTWA

5LOCK-RIGHT Installaons Coveredin This Manual Removable third member axles. Typical of these are Toyota® 4-cylinder engine vehicles, both front an

6Removal of the Dierenal Case from the Carrierother side with two marks (Figure 2). The caps are not inter-changeable! Also mark each bearing a

7Figure 2Mark carrier, caps, adjusters at lock holeFigure 3Remove adjusters lock and bearing caps

8 1. Remove the ring gear if it interferes with the removal of the pinion sha. It may need to be tapped o with a brass mallet. Mark it so tha

9of about equal thickness, one under each side gear. 4. Inspect the thrust block (if used). Be sure that the ends are smooth and not galled. 5. I