Air drier and four way valve removal and installation procedure |
23 | Air compressor hose |
24 | Air compressor hose bracket |
25 | Air hose ports (21, 22, 23 and 24) |
26 | Air drier unit |
27 | Four-way valve |
Y42.60-0001-06
28 | Air drier mounting bracket |
Y42.60-0002-01
| Remove/install | ||
1 | Depressurize air brake system. | Pull vent valve on compressed air reservoir. | |
2 | Remove the air compressor hose (23) from air drier. | ||
3 | Remove the air compressor hose bracket (24). | ||
4 | Remove the air hose ports 21, 22, 23 and 24 (25). | ||
5 | Remove the air drier unit (26). | Air drier unit install | |
6 | Remove the 4-way valve (27) from the air drier. | 4-way valve to air drier install | |
7 | Remove the air drier mounting bracket (28) from battery carrier. | Air drier mounting bracket to battery carrier install | |
8 | Install in the reverse order. | ||
Warning | Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running. | Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. | |
9 | Allow the engine to run until the air brake system comes up to pressure. | ||
10 | Check pressure regulator cutoff pressure, adjust if necessary. |
Referenced documents
- as0000z000501a Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.