RAMVAC STANDARD 550 Original Betriebsanleitung
SERVICE INSTRUCTION
EFFICIENCY IN DENTISTRY®
MOTOR REPLACEMENT
How to properly replace the motor on the following
models; Standard, Bulldog, and Bison.
STANDARD MODELS Procedures
Important Features
1 Phase Motor Replacement
3 Phase Motor Replacement
3 Phase Motor Startup
Page
2
3
4
14
• 550
(955.xxxx.xxx)
• 1400
(914.xxxx.xxx)
BULLDOG MODELS Procedures
Important Features
1 Phase Motor Replacement
3 Phase Motor Replacement
3 Phase Motor Startup
Page
6
7
8
14
• 550
(855.xxxx.xxx)
• QT
(809.xxxx.xxx)
• QT E
(809E.xxxx.xxx)
BISON MODELS Procedures
Important Features
1 Phase Motor Replacement
3 Phase Motor Replacement
3 Phase Motor Startup
Page
10
11
12
14
• BISON
(818.xxxx.xxx)
(826.xxxx.xxx)
• BISON E
(818E.xxxx.xxx)
(826E.xxxx.xxx)
*Note: Instructions relating to Standard 1400 models also apply to Standard 1200 and 2800 models.
Page 2
STANDARD
Standard Models Important Features
Page 3
STANDARD
1 Phase Motor Replacement
How to replace a 1 phase motor on Standard models.
1. Secure disconnect.
2. Move vacuum unit into an open area if needed.
Note location and orientation of motor wires for proper installation.
3. Disconnect motor wires from 2T1, 4T2, and motor ground in Electrols.
Remove motor wire from cord grip.
4. Remove belt guard.
5. Loosen all four motor mounting bolts ½ turn from full tight.
6. Loosen belt tension bolts and remove belt(s).
Note pulley and hub orientation for proper installation.
7. Remove motor pulley.
a. Set Screw Pulleys:
i. Loosen motor pulley set screws and remove pulley.
b. Taper Lock Pulley:
i. 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 set screws or 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 motor wires with proper orientation as noted.
14. Replace vacuum unit in original spot. Reattach exhaust outlet and
Filtrols intake hose couplings.
1 Phase Gray Box Electrols
Note: Gray Box Electrols have several variations
Motor Wires 2T1,
4T2, Motor Ground
Motor Ground Lug
Standard 550 Motor Bolts
Motor Mounting
Bolts (4)
Belt Tension Bolts
Cord Grip
Page 4
3 Phase Motor Replacement
How to replace a 3 phase motor on Standard models.
1. Secure disconnect.
2. Move vacuum unit into an open area if needed.
Note location and orientation of motor wires for proper installation.
3. Disconnect motor wires from 2T1, 4T2, 6T3, and motor ground in
Electrols. Remove wire from cord grip.
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. Remove motor pulley.
a. Set Screw Pulleys:
i. Loosen motor pulley set screws and remove pulley.
b. Taper Lock Pulley:
i. 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 set screws or 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 motor wires with proper orientation as noted.
14. Replace vacuum unit in original spot. Reattach exhaust outlet and
Filtrols intake hose couplings.
15. Perform “3 Phase Motor Start-up” procedure.
STANDARD
3 phase Gray Box Electrols
Note: Gray Box Electrols have several variations
Motor Wires 2T1, 4T2,
6T3, Motor Ground
Motor Ground Lug
Motor Mounting
Bolts (4)
Belt Tension
Bolts
Standard 1400 Motor Bolts
Cord Grip
Page 5
NOTES
Page 6
BULLDOG
Bulldog Models Important Features
Page 7
1 Phase Motor Replacement
How to replace a 1 phase motor on Bulldog models.
1. Secure disconnect.
2. Move vacuum unit into an open area if needed.
Note location and orientation of motor wires for proper installation.
3. Disconnect motor wires.
a. Gray Box Electrols:
i. Disconnect motor wires from 2T1, 4T2, and motor ground in
Electrols and remove wire from cord grip.
b. S1 Electrols:
i. Remove four cover screws and remove cover.
ii. Disconnect motor wires from M1, L1, and GND in S1
Electrols.
iii. Loosen cord grip fitting on motor junction box.
iv. Carefully remove wires from conduit leaving the conduit
attached to the S1 Electrols.
4. Remove belt guard.
5. Loosen all four motor mounting bolts ½ turn from full tight.
6. Loosen belt tension bolt and belt alignment bolt (if present).
7. Remove motor mounting bolts and defective motor.
Note pulley orientation for proper installation.
8. Loosen motor pulley set screws and remove motor pulley.
9. Replace shaft key. Properly orientate motor pulley on motor shaft.
Do not tighten set screws.
10. Position motor on base.
11. Place belt over pump and motor pulleys.
12. Install motor mounting bolts previously removed.
13. Tension and align belt. See “Belt Replacement, Alignment and
Tensioning Service Instructions”.
14. Connect motor wires with proper orientation as noted.
a. Gray Box Electrols:
i. Reverse step 3a.
b. S1 Electrols:
i. Reverse step 3b.
15. Replace vacuum unit in original spot. Reattach exhaust
outlet and Filtrols intake hose couplings.
BULLDOG
1 Phase Gray Box Electrols
Note: Gray Box Electrols have several variations
Motor Wires 2T1, 4T2,
and Motor Ground
Motor Ground Lug
S1 Electrols
Motor Wires
GND, M1, L1
Loosen Cord Grip Fitting
Cord Grip
Bulldog Motor Bolts
Belt Tension Bolt
Motor Mounting
Bolts (4)
Belt Alignment Bolt
Page 8
BULLDOG
3 Phase Motor Replacement
How to replace a 3 phase motor on Bulldog models.
1. Secure disconnect.
2. Move vacuum unit into an open area if needed.
Note location and orientation of motor wires for proper installation.
3. Disconnect motor wires from 2T1, 4T2, 6T3, and motor ground in
gray box Electrols. Remove wire from cord grip.
4. Remove belt guard.
5. Loosen all four motor mounting bolts ½ turn from full tight.
6. Loosen belt tension bolt and belt alignment bolt (if present).
7. Remove motor mounting bolts and defective motor.
Note pulley orientation for proper installation.
8. Loosen motor pulley set screws and remove motor pulley.
9. Replace shaft key. Properly orientate pulley on motor shaft.
Do not tighten set screws.
10. Position motor on base.
11. Place belt over pump and motor pulleys.
12. Install motor mounting bolts previously removed.
13. Tension and align belt. See “Belt Replacement, Alignment and
Tensioning Service Instructions”.
14. Replace vacuum unit in original spot. Reattach exhaust outlet and
Filtrols intake hose couplings.
15. Connect motor wires with proper orientation as noted.
16. Perform “3 Phase Motor Start-up” procedure.
3 Phase Gray Box Electrols
Note: Gray Box Electrols have several variations
Motor Wires2T1, 4T2,
6T3, Motor Ground
Motor Ground Lug
Cord Grip
Bulldog Motor Bolts
Belt Tension Bolt
Motor Mounting
Bolts (4)
Belt Alignment Bolt
Page 9
NOTES
Page 10
BISON
Bison Models Important Features
Dieses Handbuch passt für folgende Modelle
6
