44
Copyright 3/20
Bandit
MODEL 1425
MAINTENANCE
PROPER PROCEDURE FOR INSTALLATION
OF LEE-TITE COUPLERS AND DISCHARGE MOTOR
LEE-TITE COUPLER
SPECIAL KEY
COUPLER POSITION IN REFERENCE
TO THE KEY POSITION
DISCHARGE HEAD MOTOR SHAFT
DISCHARGE HEAD SHAFT
5/8"-18NF HEX NUT - APPLY LOC-TITE 263 (RED)
5/8"-18NF x 2 1/2" GR. 8 HEX HEAD BOLT
TORQUE TO 250 FT.-LBS. (339 Nm)
5/8"-18NF HEX NUT - APPLY LOC-TITE 263 (RED)
5/8"-18NF x 2 1/2" GR. 8 HEX HEAD BOLT
TORQUE TO 250 FT.-LBS. (339 Nm)
DISCHARGE HEAD SHAFT
LEE-TITE COUPLER
DISCHARGE HEAD BEARING
TORQUE ARM
DISCHARGE HEAD MOTOR
APPLY LOC-TITE 609 (GREEN)
SPECIAL KEY (NOT A
STANDARD MOTOR KEY)
PART NO. 977-301339
A. Proper Equipment Needed:
6. Torque wrench
7. 15/16” socket
8. A degreaser agent
9. Loctite 263 (red)
10. Loctite 609 (green)
1. Discharge head motor with straight shaft.
2.
5/16” x 1/2” x 1 7/16” long key (special)
3.
Part number: 977-301339
4. Correct discharge head shaft and coupler ass’y
5.
Emery cloth and/or a file
B. Installation Procedure
1. Remove any sharp edges on the coupler
bore, the motor shaft, or the discharge head
shaft. Example: Emery cloth or file for burrs
on keyways or shafts.
2. Clean the coupler bore, motor shaft, and
discharge head shaft with a degreasing
solvent.
3. Install the correct key in the discharge head
motor shaft.
4. Slide the coupler onto the discharge head
shaft.
5. Apply Loctite 609 (green) on the discharge
head motor shaft.
6. Install the motor with the torque arm
installed and key into the discharge head
shaft.
7. Position the coupler so the keyway in the
discharge head shaft is covered by the solid
portion of the coupler. See figures below.
8. Apply Loctite 263 (red) on the coupler nut.
9. Tighten the coupler bolt and torque to 250
ft.-lbs. (339 Nm).
