MoJack EZ Setup guide

EZ Repair Instructions
Damaged Bronze Nut
If additional help is needed, please call MoJack Customer Service: 1-877-575-3173.
© MoJack July 2012 Rev. 2
1
Review the Product Manual and Parts List for MoJack EZ at www.themojack.com. The detailed breakout
drawing includes all part numbers used in these instructions.
DO NOT attempt any repairs on your MoJack if there is a mower on the lift.
PROBLEM: Damaged Bronze Nut
Probable
cause: Excessive load (maximum lifting capacity for MoJack EZ is 300 lbs.) bent Lift Screw or
damaged thread on lift screw.
Solution: Replace Bronze Nut (Carrier) #28
Tools needed:
•Hammer
•Small 1/8 pin punch
•Large 5/16 pin punch
•Two 19mm wrenches or two adjustable wrenches
Steps to make the repair:
1) Place the MoJack EZ lift on its side and position Crank Handle
#4 so that it cannot move.
2)
•Using a small punch, tap all parts of the existing Roll Pin #32
out of the hole at the bottom of the Lift Screw #1.
•DO NOT try to drill out a broken Roll Pin as it may cause
damage to the hole.
•Remove Flat Washer #27 from Lift Screw.
3) Unscrew the Lift Screw out of the Bronze Nut #28 in the Carrier
Assembly #30, by turning the Crank Handle counter-clockwise.

EZ Repair Instructions
Damaged Bronze Nut
If additional help is needed, please call MoJack Customer Service: 1-877-575-3173.
© MoJack July 2012 Rev. 2
2
4)
Now that the Lift screw has been removed from the Carrier
Assembly, remove Carrier Bolt #2 (using two 19mm wrenches)
and Rear Carriage Roller #31 which will allow
you to take the Carrier Assembly off of the Tower #40.
•This may require pulling out the Carrier Locking Pin #33 if it
is engaged in one of the locking holes in the Tower.
Remove carrier bolt and roller 
Take off carrier assembly 
5)
•You now have access to the damaged Bronze Nut which will
slide out.
•Place the new part on the slots.
•There is no front or back to the Bronze Nut and it does not
matter which end is up.
6) Install the Carrier Assembly back on the Tower with the Carrier
Bolt and Rear Carriage Roller.
•Caution: do not over-tighten the Carrier Bolt as the Rear
Roller needs to turn freely.

EZ Repair Instructions
Damaged Bronze Nut
If additional help is needed, please call MoJack Customer Service: 1-877-575-3173.
© MoJack July 2012 Rev. 2
3
7) Make sure the two Front Carriage Rollers #29 are in place
below the new Bronze Nut and to the left and right side.
8)
•Thread the Lift Screw down from the top into the new Bronze
Nut by rotating the Crank Handle clockwise.
•The two Front Carriage Rollers should be on the left and
right of the Lift Screw as it passes below the Bronze Nut.
•Continue rotating until the Lift Screw goes through the
welded tab at the bottom of the Tower.
9) Apply new Flat Washer on Lift Screw and hammer the new Roll
Pin (bevel end first) into the hole using a large punch.

EZ Repair Instructions
Damaged Bronze Nut
If additional help is needed, please call MoJack Customer Service: 1-877-575-3173.
© MoJack July 2012 Rev. 2
4
10)
•Grease (or oil) top and bottom of new Flat Washer and the
new Lift Screw.
•This might be a good time to do the yearly maintenance on
your MoJack EZ. Consult your Product Manual, page 17,
for the Maintenance Schedule
11) Before attempting to load your mower, test raising and lowering
the Lift Arm to make sure your MoJack EZ is working properly.