D6D TRACTOR POWER TRAIN – Lubrication Relief Valve For Power Shift Transmission

(1) 8M8551 Valve opens at … 55 kPa (8 psi)

(1) 7G4491 Valve opens at … 140 kPa (20 psi)

(2) 8M8597 Spring (to be used in the 8M8551 Valve Group):

Length under test force … 35.1 mm (1.38 in)

Test force … 16.1 ± 1.29 N (3.61 ± .29 lb)

Free length after test … 64.8 mm (2.55 in)

Outside diameter … 15.09 mm (.594 in)

(2) 2S5816 Spring (to be used in the 7G4491 Valve Group):

Length under test force … 34.3 mm (1.35 in)

Test force … 55 ± 4 N (12.2 ± .98 lb)

Free length after test … 47.3 mm (1.86 in)

Outside diameter … 14.27 mm (.562 in)

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