PUMP GP-FUEL PRM & PRIM FILTER 4P8424 - Caterpillar

Effective July 1, 1992 regulations prohibit the venting of any refrigerant into the atmosphere. Refer to Caterpillar publication SENR3334-01 and NEDG5065-01 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 Freon-12 (C C12 F2 Dichloro Difluoro Methane) can cause freezing of human flesh.Do not smoke while working on air conditioning. Inhaling Freon-12 through any smoking material, although not toxic or flammable, can cause violent illness. Also heat must never be applied to a charged system. See Air Conditioning And Heating Service Manual Form No. SENR3334-01, for more information on removal and installation of lines and refrigerant from the system.
Evacuate the system, See Air Conditioning And Heating Service Manual Form No. SENR3334-01.
At operating temperature, the engine coolant is hot and under pressure. Steam can cause personal injury. Check the coolant level only after the engine has been stopped and the fill cap is cool enough to touch with your bare hand. Remove the fill cap from the radiator slowly to relieve pressure. Cooling system conditioner alkali. Avoid contact with the skin and eyes to prevent personal injury.
1. Release the pressure in the cooling system. Drain the coolant from the radiator.
At operating temperature, the hydraulic tank is hot and under pressure. Hot oil can cause burns. Remove fill plug only when the engine is stopped, and the fill plug is cool enough to touch with your bare hand.
2. Release the pressure from the hydraulic tank by slowly loosening the pressure cap located on the side of the hydraulic tank. 3. Remove bolts and plate (1).4. Remove rubber mat (2). 5. Remove bolts and floor plate (3). 6. Remove panel (4). 7. Disconnect heater hoses (5). 8. Disconnect two air condition lines (6).9. Remove four bolts and cover (7). 10. Remove bolts and cover (8). 11. Remove filter (9). 12. Remove bolts (10) and cover (11). 13. Remove four bolts and cab brace (13).14. Loosen clamp and disconnect air duct (12).15. Disconnect wire (14).16. Disconnect and remove two air condition tubes (15).17. Remove right arm rest from inside cab body (not shown).18. Using two people, lift unit out by hand. The weight of the unit is 32 kg (70 lb). Install in the reverse order.19. Fill the hydraulic tank with oil and the cooling system with coolant to the correct levels. See the Operation & Maintenance Manual for the correct filling procedures. For charging the air conditioning system refer to Form No. SENR3334-01.End By:a. install seat