RAMVAC BISON, Инструкция по эксплуатации

Страница: 12 / 16

3 Phase Motor Replacement
How to replace a 3 phase motor on Bison models
1. Secure disconnect.
2. Move vacuum unit into an open area if needed.
Note location and orientation of motor and control wires for proper
installation.
3. Disconnect motor wires.
a. Gray Box Electrols:
i. Disconnect motor wires from 2T1, 4T2, 6T3 on motor overload
and motor ground in Electrols. Remove wire from cord grip
b. S1 Electrols with Motor Starter:
i. Disconnect motor wires from 2T1, 4T2, 6T3, motor ground and
motor control wires from C1, C2, C3 in motor starter.
ii. Loosen cord grip fitting on motor starter. Remove wires and
conduit.
iii. Remove cover screws and cover from S1 Electrols.
iv. Pull motor wires and motor control wires into S1 Electrols.
v. Disconnect motor GND wire from S1 Electrols.
vi. Loosen cord grip fitting on motor junction box and remove
conduit.
vii. Pull motor wires out of S1 Electrols conduit.
4. Remove belt guard.
5. Loosen all four motor mounting bolts ½ turn from full tight.
6. Loosen belt tension bolts and remove belts.
Note pulley and hub orientation for proper installation.
7. Loosen pulley hub screws and remove motor pulley.
a. See “Taper Lock Pulley Remove and Replace” procedure in the
“Belt Replacement, Alignment, and Tensioning Service Instruction”
8. Remove motor mounting bolts and defective motor.
9. Install motor on base with motor mounting bolts previously removed.
10. Replace shaft key. Properly orientate pulley and pulley hub on motor
shaft. Do not tighten pulley hub screws .
11. Place belts over pump and motor pulleys.
12. Tension and align belt. See “Belt Replacement,
Alignment and
Tensioning Service Instructions”.
13. Connect wires with proper orientation as noted..
a. Gray Box Electrols:
i. Reverse step 3a.
b. S1 Electrols with Motor Starter:
i. Reverse step 3b.
14. Replace vacuum unit in original spot. Reattach exhaust outlet
and Filtrols intake hose couplings.
15. Perform
“3 Phase Motor Start-up” procedure.
Page 12
BISON
3 Phase Gray Box Electrols
Note: Gray Box Electrols have several variations
Motor Wires 2T1, 4T2,
6T3, Motor Ground
Motor Ground Lug
S1 Electrols
Motor Starters
Note: Motor Starters have several variations
Motor Ground
Motor Control Wires
C1, C2, C3
Cord Grip Fitting
Motor Wires
Motor Control Wires
Motor Wires
2T1, 4T2, 6T3
Cord Grip Fitting
Cord Grip
Remove Cover
Screws (4)