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Dorner Mfg. Corp.
14
851-526 Rev. I
3200, 5200 & 5300 Series Bottom Mount 90° Drive Package for Standard Load Gearmotors
Preventive Maintenance and Adjustment
12. Replace the original shaft components into new gear
13. Apply anti-seize to motor shaft before assembling to
gearbox.With key
in keyway, slide
motor
and gear reducer
21, item 3)
together. Install screws
and tighten.
14. Hold the driveshaft with a wrench
as shown to keep shaft from turning, while installing
screw
23, item 3)
Tighten screw to 350 in-lb (39.5 Nm).
Figure 26
Figure 26
15. Install gearmotor to mounting bracket and tighten
screws
to 110 in-lb (12 Nm).
16. Complete steps 6 through 10 of “Installation” section
beginning on page 9.
Motor Replacement
1. For single phase motor, unplug power cord from outlet.
2. For three phase and VFD variable speed motor:
a.
Loosen terminal box screws
and remove cover
.
Figure 27
Figure 27
b. Record wire colors on terminals 1, 2 and 3. Loosen
wire nuts and remove wires 1, 2 and 3.
c.
Loosen cord grip and remove cord.
3. For DC variable speed motor, unplug motor cord at
disconnect
.
Figure 28
Figure 28
IMPORTANT
Be extremely careful when coupling motor to
gear reducer. Avoid misalignment and forcing
the connection causing possible permanent
gear reducer seal damage.
NOTE
Gearmotor position on Flat Belt conveyor
shown below left, Figure 26. Gearmotor
position on Cleated Belt conveyor shown
below right, Figure 26.
NOTE
Drive pulley (Figure 19, item 1) is removed.
Wrap timing belt around drive pulley and
complete step 15.
Flat Belt Conveyor
Cleated Belt Conveyor
A
WARNING
Exposed moving parts can cause severe
injury.
LOCK OUT POWER before removing guards
or performing maintenance.
A
DANGER
Hazardous voltage will cause severe injury or
death.
LOCK OUT POWER BEFORE WIRING.
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1
1
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