Compressor Pulley: Service and Repair

Belt Pulley, Firma Denso

• This type of ribbed belt pulley is installed on "7SEU17C" A/C compressor.

• Different versions of the ribbed belt pulley may be installed, depending on A/C compressor construction type and engine version. Refer to Electronic Parts Catalog (ETKA).






1 Cap With Locking Ring

• Remove carefully using a small screwdriver or needle-nose pliers (pay special attention to ribbed belt pulley when doing this).

2 Drive Plate

3 Circlip

• Always replace

• Install on correct side (flat side toward A/C compressor)

4 Spacer

5 Ribbed Belt Pulley

• The ribbed belt pulley is made of plastics and is sensitive to impact, be especially careful when handling it.

• Different versions. Refer to Electronic Parts Catalog (ETKA).

6 A/C Compressor

• Depending on engine and market version, different versions can be installed. Refer to Electronic Parts Catalog (ETKA).

• Clean A/C compressor flange before sliding on ribbed belt pulley.

7 Rubber Element

• Quantity: 6

• Decouples the ribbed belt pulley from the A/C compressor input shaft and dampens vibration and noise.

• For installation, lightly coat rubber elements, fo9r example, with tire mounting paste or a soap solution (as a lubricant).

Removing

- Carefully remove the cap with locking ring- A - using a small screw driver or needle nose pliers for example. Make sure that the ribbed belt pulley is not damaged in the process.






- Turn the drive plate - C - and the ribbed belt pulley - D - using a commercially available strap wrench in the - direction of arrow E - and loosen the input shaft - B - (35 +/- 5 Nm) in the - direction of arrow F -.

- Remove drive plate - C -.

- Remove locking ring - A -.






- Remove the ribbed belt pulley - B -.

Installing

- Remove locking ring - A -.

- Clean A/C compressor flange before sliding on ribbed belt pulley.

- When installing circlips - A -, note that it cannot be bent open more than is necessary for installation.






- Install the ribbed belt pulley - B -.

- Insert circlip - A - on correct side, the side with beveled insertion edge - C - faces away from A/C compressor (install flat side facing A/C compressor).

- Insert rubber elements - D - in belt pulley - B - according to illustration.

• When installing drive plate, coat the rubber element - D - lightly with, for example, tire mounting paste or soap solution (as sliding compound).

• Install protective jaws - 2 - between vice and the A/C compressor in order to avoid damaging the A/C compressor mount.

- Position the drive plate- C - between the rubber elements until they touch the A/C compressor shaft - B -.






- Secure the drive plate- 1 - with a commercially available strap wrench in the - direction of the arrow A - and tighten the driveshaft with a torque wrench in the - direction of the arrow B - (35 +/- 5 Nm).






- Install cap with locking ring.