21955517 Volvo.Penta Air tube

Effective July 1, 1992 regulations prohibit the venting of any refrigerant into the atmosphere. Refer to Caterpillar publication SENR3334, SENR5664 and NEDG5065 for the proper procedure, equipment and tools to reclaim refrigerant from any Caterpillar machine.
Always wear goggles when working on air conditioning systems. The system is under pressure at all times, engine running or not. Escaping refrigerant R-12 (C C12 F2 Dichloro Difluoro Methane) and refrigerant R-134A can cause freezing of human flesh. Do not smoke while working on air conditioning system. Inhaling Refrigerant R-12 or R-134A through any smoking material, although not toxic or flammable, can cause violent illness. Also heat must never be applied to a charged system. Refer to the "Air Conditioning And Heating Service Manual Form No. SENR3334 and SENR5664," for more information on removal and installation of lines and refrigerant from the system.
1. Remove the refrigerant from the air conditioning system using a refrigerant reclaimer.2. Remove the engine side covers. 3. Disconnect two wire connectors (1) from the mounting bracket.4. Remove bolts (3) and washers from dash assembly (2). One of the bolts is on the right side of the machine, The other is on the left side of the machine. Remove dash assembly (2) from the mounting brackets. 5. Disconnect cable (7) from electric starting motor (8).6. Remove bolt and clip (5) from the mounting. Disconnect two wire terminals (4) from starter solenoid (6). 7. Disconnect two