PLUG-PIPE 4H9027 - Caterpillar

Cold Planer: PM-565 (S/N: 3TK1-UP) PM-565B (S/N: 8GS1-UP)Landfill Compactor: 836 (S/N: 7FR1-UP)Engine: 3408E (S/N: 7PR1-UP) 3412 (S/N: 2WJ1-UP; 38S1-UP; 81Z1-UP) 3412C (S/N: BAK1-UP; PTL1-UP; 5FL1-UP; DJN1-UP; 9EP1-UP; RLR1-UP; 8AR1-UP; 9BR1-UP; TFT1-UP; BCW1-UP; RTY1-UP; 81Z1-UP) 3412E (S/N: 4CR1-UP; BFT1-UP) 7271 (S/N: 36W1-UP) G3412 (S/N: R7A1-UP; 7DB1-UP; 3NK1-UP; KAP1-UP) G3412C (S/N: 6ZM1-UP; 5KR1-UP; 9RR1-UP)Generator Set: 3412C GEN SET (S/N: BAX1-UP)Industrial Engine: 3412C IND (S/N: 38S1-UP) 3412E IND (S/N: BDT1-UP)Marine Engine: 3412E MARINE (S/N: 9KS1-UP; 9PW1-UP) C30 MARINE (S/N: CLX1-UP) C32 MARINE (S/N: RXB1-UP)Excavator: 307B (S/N: AFB1-UP) 5110 (S/N: 7GN1-UP; 8HN1-UP) 5110B (S/N: AAA1-UP; AAK1-UP; AAT1-UP)Motor Grader: 24H (S/N: 7KK1-UP)Off-Highway Truck/Tractor: 69D (S/N: 9SS1-UP; 9XS1-UP) 73D (S/N: 9YS1-UP; 1GW1-UP) 769C (S/N: 01X1-UP) 769D (S/N: BBB1-UP; 5TR1-UP; 5SS1-UP) 773B (S/N: 63W1-UP) 773D (S/N: 7ER1-UP; 7CS1-UP) 773E (S/N: BDA1-UP)Quarry Truck: 771D (S/N: BCA1-UP; 6JR1-UP; 6YS1-UP) 775B (S/N: 7XJ1-UP) 775D (S/N: 6KR1-UP; 8AS1-UP) 775E (S/N: BEC1-UP)Petroleum Engine: 3412E PETROLEUM (S/N: Z2D1-UP)Power Module: PM3412 (S/N: CAJ1-UP)Track-Type Tractor: D10N (S/N: 2YD1-UP; 3SK1-UP) D10R (S/N: 3KR1-UP; AKT1-UP) D8L (S/N: 53Y1-UP) D9L (S/N: 14Y1-UP) D9N (S/N: 1JD1-UP; 5FJ1-UP; 6XJ1-UP) D9R (S/N: ABK1-UP; 7TL1-UP; 8BL1-UP) D9T (S/N: RJS1-UP)Underground Articulated Truck: AD40 Series II (S/N: 1YZ1-UP) AD45 (S/N: BKZ1-UP) AE40 II (S/N: BLW1-UP; 1ZZ1-UP)Wheel Dozer: 834B (S/N: 7BR1-UP; 92Z1-UP) 844 (S/N: BBN1-UP; 2KZ1-UP)Wheel Loader: 988B (S/N: 50W1-UP) 988F Series II (S/N: 2ZR1-UP) 988F (S/N: 8YG1-UP) 990 Series II (S/N: BCR1-UP; 4FR1-UP) 990 (S/N: 7HK1-UP)Wheel Tractor-Scraper: 631D (S/N: 24W1-UP) 631E Series II (S/N: 1AB1-UP; 1NB1-UP) 631G (S/N: AWK1-UP; CLR1-UP; CMT1-UP) 633D (S/N: 25W1-UP) 633E Series II (S/N: 2PS1-UP) 637D (S/N: 26W1-UP; 27W1-UP) 637E Series II (S/N: 1FB1-UP) 637E (S/N: 1JB1-UP) 637G (S/N: CEH1-UP; CEJ1-UP; AXT1-UP) 639D (S/N: 99X1-UP) 651B (S/N: 67K1-UP) 651E (S/N: 4YR1-UP; 5XR1-UP) 657B (S/N: 68K1-UP) 657E (S/N: 5YR1-UP; 6PR1-UP; 6TR1-UP; 7KR1-UP; 86Z1-UP; 87Z1-UP; 90Z1-UP; 91Z1-UP)Introduction
The following procedures contain crucial information on correctly installing the new 162-2501 Hose As and the 258-8917 Protection Sleeve .Note: The 162-2501 Hose As replaces 107-7942 Tube As .Installation Procedure of the Hose Assembly
Illustration 1 g01230674
Remove old 162-2501 Hose As (1). Keep all of the manifold and pump fittings attached.Note: Step 2 is only for 3408E engines.
Remove the 7W-6492 Pipe Plug (2) from the aftercooler housing (3). Install the 8T-6762 Pipe Plug into the aftercooler housing.
Illustration 2 g01230678
Note: Always tighten the fittings with your hand before you use a wrench. Support the hose and the elbow while you tighten in order to avoid the following damage: twisting, kinking and side loading.
Loosen elbow (4) and jam nut (5) .
Hand tighten the nut on the hose (5) to the elbow (4) .
Install the other end of the hose (6) to the pump fitting. Tighten the nut to 125 15 N m (90 11 lb ft).
Hold the elbow (4) in position and torque the jam nut to 145 15 N m (105 11 lb ft).
Support the elbow (4). Tighten the nut (5) on the hose to 125 15 N m (90 11 lb ft).
Illustration 3 g01230687
Illustration 3 shows the routing of the 162-2501 Hose As (8). The hose