Engine Accessory Bracket: Service and Repair

Accessory Bracket

Removing

- Remove the charge air cooler. Refer to => [ Charge Air Cooler ] Charge Air Cooler.

- Remove the high pressure pump. Refer to => [ High Pressure Pump ] High Pressure Pump.

- Remove the generator.

The Air Conditioning (A/C) refrigerant circuit must not be opened.

- Unbolt the A/C compressor from the accessory bracket and secure it to the lock carrier.

- Remove the following: idler pulley bolt - 1 - and pulley, idler roller bolt - 2 - and roller and the toothed belt guard bolt - arrow -.






- Remove the front engine mount bracket bolt.

- Remove the bolts - 1 through 6 - and the accessory bracket.






Installing

Install in reverse order of removal. When doing this note the following:

• Observe the equipped alignment sleeve in the accessory bracket and replace if missing.

• Replace all the bolts which have been tightened to an additional torque angle.

Accessory Bracket Bolt Tightening Sequence and Specification





- Install the bolts as follows:

• Bolts - 1 and 2 - M10 x 52.

• Bolts - 5 and 6 - M10 x 60.

• Bolts - 3 and 4 - M10 x 30.

- Tighten the accessory bracket bolts in 2 steps in sequence - 1 through 6 -:

- Install the bolts all the way by hand.

- Tighten the bolts to 40 Nm.

- Tighten the bolts - 3 and 4 - an additional 45° (1/8) turn.

- Tighten the bolts - 1, 2, 5 and 6 - an additional 90° (1/4) turn.

- Install the generator.

- Install the high pressure pump. Refer to => [ High Pressure Pump ] High Pressure Pump.

- Install the front engine mount bracket bolt, see - item 32 - in the => [ Toothed Belt Drive Overview ] Toothed Belt Drive Overview for the tightening specification.

- Install the charge air cooler. Refer to => [ Charge Air Cooler ] Charge Air Cooler.