CP-7[732-742]-series Mechanical Reference(2.9E).pdf - 第133页

6. Remove the cooling fan cover and the cooling fan. 7. Remove the bearing retainers and liners. 8. Remove the side plate "B" mounting bolts, then use these bolts to secure the special tool to side plate "…

3. Open the belt cover.

4. Remove the pulley and the pulley fan, then remove the vacuum pump from the

table.

Caution: The air filter should not be removed from the vacuum pump for the folllowing

reasons.

1. There is a possibility of damage to the pump plumbing or air filter bousing.

2. Metal fragments or other dust from the plumbing may get into the pump.

5. Remove the silencer case and the check valve.

C7SM3066E

Silencer case

Check valve

Pulley

Pulley fan

Vacuum pump

Air filter

C7SM3065E

Belt cover

C7SM3057E

Part 3 Chapter 3 Replacing Consumable Parts

Edition 2.7 3-3-13 CP-7 series Mechanical Reference

6. Remove the cooling fan cover and the cooling fan.

7. Remove the bearing retainers and liners.

8. Remove the side plate "B" mounting bolts, then use these bolts to secure the special

tool to side plate "B".

9. Pull on the special tool to remove side plate "B".

Remove the special tool from side plate "B", then install the bearing retainer and

liner (removed at step 7 above) on side plate "B". Do not tighten the bolts fully at

this time (back off 1 mm from fully tightened condition).

Note: Use care to avoid scratching side plate "B" and the inner surface of the cylinder.

Side plate B

Special tool

Bearing retainer

Bolt

Liner

C7SM3070E

Side plate

Mounting bolts

C7SM3069E

Side plate B

Special tool

C7SM3068E

Bearing retainer

Liner

C7SM3067E

Fan cover

Cooling fan

Part 3 Chapter 3 Replacing Consumable Parts

Edition 2.7 3-3-14 CP-7 series Mechanical Reference

10 Remove the vanes.

Notes:

1. Be sure to note the orientation and positions of the vanes, as the new vanes must be

installed in the same manner.

2. If a broken vane exists, air blow the pump interior to remove any fragments.

11. Mount the special tool on side plate "A", then push out the rotor. Support the

shaft area with your hand to avoid dropping the rotor. After removing the rotor,

remove the special tool.

Note: When pushing out the rotor, use care to avoid scratching the rotor shaft and the

cylinder.

12. Remove the side plate "A" mounting bolts, and use a plastic hammer to knock the

pin off, then remove side plate "A".

13. After disassembling to this point, clean each component using a soft cloth soaked

in an organic solvent (chlorine or fluorine based solvent such as Kurorosen or

Daifuron S3).

Bolt

Knock-pin

C7SM3073E

Side plate A

Special tool

C7SM3072E

Rotor

Side plate A

Special tool

Vane

C7SM3071E

Part 3 Chapter 3 Replacing Consumable Parts

Edition 2.7 3-3-15 CP-7 series Mechanical Reference