AR83.55-D-5301SG | Remove/install refrigerant compressor bracket | 14.7.10 |
MODEL 906.6 /7 with ENGINE 646.984 /985 /986 /989 /990
with CODE (H08) High-performance air conditioning
with CODE (N63) Front engine power takeoff with carrier for additional refrigerant compressor
D83.55-1125-08
1 V-belt
2 Tensioner pulley
3 Bolts
4 Screw
9 Oil pan
A9/7 2nd refrigerant compressor
5 Screw
6 Bracket
7 Bolts
8 Carrier
| Removing | ||
1 | Remove alternator | ||
2 | Slacken off and remove V-belt (1) | ||
3 | Remove 2nd refrigerant compressor (A9/7) at carrier (8) and hang to one side with refrigerant lines connected | ||
4 | Undo screws (3, 4, 5) and remove carrier (8) | ||
5 | Remove tensioner pulley (2) with bracket from carrier (8) | Only when replacing the carrier (8). The bracket of the tensioner pulley (2) is fastened to the carrier (8) with a screw/bolt. | |
| Install | ||
6 | Undo screws (7) far enough until the bracket (6) can be moved | ||
7 | Fit carrier (8) onto cylinder crankcase and turn in screws (3) | | |
8 | Push bracket (6) upwards until it makes contact with the oil pan (9), then turn in the screw (4) and then finally screw (5) | | |
9 | Tighten bolts (7) | | |
10 | Mount tensioner pulley (2) with bracket on carrier (8), do not tighten screw/bolt of bracket | Only when replacing the carrier (8). | |
11 | Mount 2nd refrigerant compressor (A9/7) onto carrier (8) | | |
12 | Fit and tension V-belt (1) | ||
Pretension of V-belt for 2nd refrigerant compressor | |||
| |||
13 | Install alternator |
Check values for single-belt drive
Number | Designation | Engine 646.984/985/ | ||
BE13.22-N-1001-01E | V-belt tension on | Measured on the tensioner pulley clamping lever | Nm | 15 |
Belt tensioning device
Number | Designation | Engine 646 | |||
BA13.25-N-1008-01P | Bolt, tensioner pulley bracket to refrigerant compressor/alternator carrier | Nm | 94 | ||
Air conditioning system
Number | Designation | Model | ||
BA83.30-N-1003-01F | Bolt, refrigerant compressor carrier to crankcase | Nm | 20 | |
BA83.30-N-1006-01F | Bolt for bracket to refrigerant compressor carrier | Nm | 20 | |
BA83.30-N-1007-01F | Bolt, bracket to oil pan | Nm | 35 | |
BA83.30-N-1018-01F | Bolt, refrigerant compressor to carrier | Nm | 20 | |