992K Wheel Loader and 854K Wheel Dozer Power Train Caterpillar

Illustration 1	g01362964

Pressure setting ... 552 ± 34 kPa (80 ± 5 psi)

(1) 5M-9548 Spring for the poppet valve

Length under test force ... 21.3 mm (0.84 inch)

Test force ... 4.5 ± 0.5 N (1.0 ± 0.08 lb)

Free length after test ... 34.0 mm (1.34 inch)

Outside diameter ... 12.2 mm (0.48 inch)

(2) As required, install the shims.

5M-9623 Shim

Shim thickness ... 0.90 mm (0.035 inch)

Shim outside diameter ... 20.62 ± 0.25 mm (0.812 ± 0.010 inch)

Adding one shim or removing one shim will change the outlet pressure by the following amount. ... 18.2 kPa (2.64 psi)

5M-9624 Shim

Shim thickness ... 0.25 mm (0.010 inch)

Shim outside diameter ... 20.62 ± 0.25 mm (0.812 ± 0.010 inch)

Adding one shim or removing one shim will change the outlet pressure by the following amount. ... 5.0 kPa (0.73 psi)

(3) 2P-5711 Spring

Length under test force ... 61.5 mm (2.42 inch)

Test force ... 390 N (87.80 lb)

Free length after test ... 86.4 mm (3.40 inch)

Outside diameter ... 22.23 mm (0.875 inch)