AFTERCOOLER GP-AIR 2539842 - Caterpillar

2539842 AFTERCOOLER GP-AIR Caterpillar parts M313D, M315D, M316D, M318D, M318D MH, M322D, M322D MH

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Alternative (cross code) number:
CA2539842
253-9842
2539842

Buy AFTERCOOLER GP-AIR 2539842 Caterpillar genuine, new aftermarket tractor parts with delivery
WHEELED EXCAVATOR,

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Compatible equipment models: 2539842:

WHEELED EXCAVATOR M313D M315D M316D M318D M318D MH M322D M322D MH Caterpillar

Information:

Illustration 1. Engine oil flow chematic. (1) Bracket for rocker arm shaft. (2) Rocker arm shaft. (3) Oil passage to lifters. (4) Valve lifter bore. (5) Oil supply rocker shaft bracket. (6) Rocker arm shaft. (7) Oil supply rocker shaft bracket. (8) Oil passage to accessory drive (air compressor). (9) Oil passage to rocker shaft bracket and accessory drive. (10) Oil passage to idler gear shaft. (11) Oil passage to rocker shaft bracket. (12) Oil passage to the fuel injection pump housing. (13) Camshaft bearing. (14) Oil jet tubes. (15) Main bearing. (16) Oil manifold. (17) Oil passage from the oil pump to the oil cooler and filter. (18) Oil passage from the oil cooler and filter. For correct engine operation, oil pressure must be maintained. The minimum oil pressure for the 3406B Engine is 275 kPa (40 psi) when measured at Point (B) with engine speed above 1200 rpm. For correct operation of some compression brakes, a minimum oil pressure of 140 kPa (20 psi) is required at Point (C) with the engine speed above 1200 rpm. Under some conditions, the oil pressure at Point (C) may be lower than at Points (A, B, or D). See Illustration 1. If there is a noticeable oil pressure drop between Points (B and C), the cam lifter oil passage may be restricted. In earlier engines, this can be fixed by machining a relief in the second land of the cam lifter. See Illustration 2.Valve train damage on a single camshaft lifter, rocker arm, or bridge may occur from excessive valve lash. Always check the amount of valve lash during engine disassembly when investigating a single lifter failure. See Illustration 3 for areas to check for possible damage.
For a general view of all major components applicable to this change, see Illustration 4.
Illustration 2. Machine to these dimensions to modify the lifter assembly.
Illustration 3. Location of damaged areas on lifter assembly (19), bridge (20), and rocker arm (21) from incorrect adjustment.
Illustration 4. The major components affected by this change are: lifter arm assembly (22), bridge (20), lifter assembly (19).