Disassembly Of Drive Screw; Assembly Of Drive Screw - LectroTruck LTA6512 Owner's Manual

Disassembly/ Assembly of Drive Screw
7/16" Jam Nut (H7)
1/2" Internal Tooth Lock Washer (H5)
7/16" Hex Nut (H1)
1/2" Custom Washer (H8)
Bearing Housing Complete (CC14A)
7/16" Flat Washer (H2)
3/4" Flat Washer (H4)
Bumper:
Aluminum: CH22R
Steel: CF22R
3/4" Flat Washer (H4)
Nylon Washer (H4P)
7/8" Custom Washer (H9)
Drive Nut (CH20RF)
Drive Screw:
Aluminum: CH19R
Steel: CC19R
3/4" Flat Washer (H4)
Bumper:
Aluminum: CH22R
Steel: CF22R
3/4" Flat Washer (H4)
1/2" Custom Washer (H8)
15/16" Key (CC184)
Drive Coupling (CC18E)
Motor Spline
Motor (CC23)
General Service (continued)
Disassembly:
1. Lay Lectro-Truck flat, battery box/pack side up.
2. Raise hook bar (if applicable) to 'up' position and secure.
3. Remove Motor Box cover.
4. Remove the bolts from the Drive Nut block and spin the Drive
Nut assembly down the Drive Screw to approximately 20" from
Motor Box.
5. Remove bolts from the Bearing Housing.
6. Slide the Inner Frame down towards the Motor Box.
7. Remove plastic cap from the top of the Outer Frame.
8. Slide the Drive Screw up, so that the Coupling comes free of
the motor.
9. Remove: 7/16" Jam Nut; 1/2" Internal Tooth Lock Washer;
7/16" Hex Nut; 1/2" Custom Washer; and Bearing Housing
assembly.
10. Remove top Bumper and Washers.
11. Pull the Drive Screw out and remove the Coupling, Key,
Bumper, and Washers from the bottom.
Assembly:
1. Slide Inner Frame until it is extended half way out.
2. Spin the Drive Nut Assembly to the middle of the Drive Screw.
3. Insert the top of the Drive Screw through the hole in the top of
the Inner Frame.
4. Insert bolts through the top of the Inner Frame and through the
Drive Nut block. Thread nuts onto the bolts loosely.
5. Put applicable Washers and Bumpers on each end of the
Drive Screw.
Top: 1 - 7/8" Custom Washer, 1 - Nylon Washer, 1 - 3/4" Flat
Washer, and Bumper.)
6. On the bottom of the Drive Screw, below the Bumper, slide a
3/4" Flat Washer and a 1/2" Custom Washer onto the Drive
Screw. Slide Key into Keyway and attach the Drive Coupling.
7. At the top of the Drive Screw, reassemble as follows:
8. Connect the Drive coupling to the Motor Spline.
9. Insert the bolts into the Bearing Housing assembly and tighten.
10. Tighten the bolts through the Drive Nut block.
11. Replace Motor Box Cover.
12. Lower the Hook Bar and lock into place.
13. Apply Loctite® to 7/16" Jam Nut (if possible).
Lectro-Truck Owner's Manual
(Bottom: 1 - 3/4" Flat Washer and Bumper.
a. 3/4" Flat Washer
b. 2 - 7/16" Flat Washers
c. Bearing Housing Complete
d. 1/2" Custom Washer
e. 7/16" Hex Nut
f. 1/2" Internal Tooth Lock Washer
g. 7/16" Jam Nut
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