7271 MARINE TRANSMISSION Caterpillar

Clutch pressure (engaged) ... 300 psi(2050 kPa)

Clutch in NEUTRAL, pressure ... 50 to 60 psi(345 to 415 kPa)

(1) 8M6402 Spring (outer):

Length under test force ... 3.38 in.(85.9 mm)

Test force ... 189 ± 15 lb.(840 ± 67 N)

Free length after test ... 4.35 in.(110.5 mm)

Outside diameter ... .78 in.(19.8 mm)

(2) 8M6403 Spring (inner):

Length under test force ... 3.38 in.(85.9 mm)

Test force ... 63 ± 5 lb.(280 ± 22 N)

Free length after test ... 4.13 in(104.9 mm)

Outside diameter ... .43 in.(10.9 mm)

(3) 7M7244 Spring (check valve):

Length under test force ... .49 in.(12.4 mm)

Test force ... 1.5 ± .1 lb.(6.0 ± 0.4 N)

Free length after test ... 2.00 in.(50.8 mm)

Outside diameter ... .50 in.(12.7 mm)