Model | 963, 964 with engine 470.9 |
with code D6F (Air-conditioning system) | |
Model | 963, 964 with engine 470.9 |
with code D6G (Automatic climate control) | |
Model | 963, 964 with engine 471.9 |
with code D6F (Air-conditioning system) | |
Model | 963, 964 with engine 471.9 |
with code D6G (Automatic climate control) | |
Model | 963, 964 with engine 473.9 |
with code D6F (Air-conditioning system) | |
Model | 963, 964 with engine 473.9 |
with code D6G (Automatic climate control) |
Shown on engine 471.9 |
1 | Refrigerant compressor |
2 | Poly-V-belt |
3 | Electrical connection (magnetic clutch) |
4 | Bracket |
5 | Screw |
6 | Screw |
7 | Refrigerant line (high pressure) |
8 | Refrigerant line (low pressure) |
W83.55-1039-05
1 | Refrigerant compressor |
2 | Poly-V-belt |
4 | Bracket |
7 | Refrigerant line (high pressure) |
9 | Screw |
W83.55-1040-05
1 | Refrigerant compressor |
2 | Poly-V-belt |
4 | Bracket |
5 | Screw |
6 | Screw |
7 | Refrigerant line (high pressure) |
8 | Refrigerant line (low pressure) |
10 | Cable tie |
W83.55-1041-04
Warning | Risk of injury caused by pinching or crushing when working on springs or spring bodies that are under tension | Use only approved tensioning devices; additionally screen off hazardous area if necessary. Check special tools for damage and proper operation (visual inspection). Wear protective gloves. | |
Warning | Risk of injury caused by body parts being pinched or crushed as cab is tilted | Ensure that no one is within the tilting range of the cab as it is being tilted. Always tilt the cab all the way to the end position and secure with the safety strut. | |
Danger | Risk of explosion caused by welding or soldering work on closed air conditioning system. Risk of poisoning caused by inhaling overheated refrigerant vapors. Risk of injury to skin and eyes caused by contact with liquid refrigerant. | Never perform welding work on or near a closed air conditioning system. No smoking or open flames. Wear safety glasses and protective gloves. Work only in well ventilated areas. Carry out repair work on the air conditioning system circuit only after the system has been drained. | |
Topical note | Notes on tilting the cab | ||
Topical note | Procedure for a damaged or leaky air conditioning system | ||
Topical note | Protect air conditioning circuit and components from moisture when carrying out repair work | ||
Notes on handling refrigerant R134a | |||
| Remove | ||
1 | Switch off ignition | ||
2 | Drain air conditioning system | ||
3 | Tilt cab | ||
4 | Remove soundproofing on top right of frame | ||
5 | Relieve the poly-V-belt (2) and remove from the belt pulley of the refrigerant compressor (1) | ||
6 | Remove cable tie (10) from electric line of magnetic clutch | The cable tie (10) is located behind the refrigerant compressor (1). | |
7 | Disconnect electrical connector (3) of magnetic clutch | ||
8 | Remove refrigerant lines (7, 8) with retaining plate from refrigerant compressor (1) | Seal off connections of refrigerant lines (7, 8). | |
9 | Remove bolts (5, 9) | ||
10 | Remove bracket (4) | ||
11 | Remove screw/bolt (6) and remove refrigerant compressor (1) | ||
| Install | ||
12 | Install cable tie (10) behind refrigerant compressor (1) | ||
13 | Correct oil level in A/C compressor (1) | Only if the A/C compressor (1) is replaced. | |
14 | Install refrigerant compressor (1) and screw in screw/bolt (6) several turns | Do not tighten the screw (6) yet. | |
15 | Install bracket (4) | ||
16 | Screw in bolts (5, 9) | ||
17 | Tighten bolts (5, 6, 9) | Bolt, refrigerant compressor/carrier for guide pulley to carrier for alternator/refrigerant compressor | |
18 | Attach refrigerant lines (7, 8) with retaining plate to refrigerant compressor (1) | Replace sealing rings and moisten with compressor oil. | |
Bolt, refrigerant line retaining plate to refrigerant compressor | |||
19 | Plug in electrical connector (3) of magnetic clutch | ||
20 | Fasten electric line of magnetic clutch in place using cable ties | ||
21 | Check poly-V-belt (2) for damage | ||
| Damage profiles for a poly-V belt | ||
If damage is present. | |||
| |||
Replace poly-V belt. | |||
22 | Place poly-V-belt (2) onto belt pulley of refrigerant compressor (1) and tension | ||
Routing diagram for belt drive | |||
23 | Install soundproofing on frame above on the right | ||
24 | Lower cab | ||
25 | Evacuate air conditioning system, refill and check for leaks | ||
26 | Switch on ignition | ||
27 | Check air conditioning for proper operation |
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