994H Wheel Loader Power Train Caterpillar


Modulating Valve (Torque Converter Impeller Clutch)

Usage:

994H DWC



Illustration 1g02485101

(1) Torque for the self-locking nut ... 13 ± 1.5 N·m (115 ± 13 lb in)

(2) Torque for installing the fitting assembly ... 14 ± 4 N·m (125 ± 35 lb in)

(3) 118-3731 Spring

Length under test force ... 14.00 mm (0.551 inch)
Test force ... 36.0 ± 1.8 N (8.1 ± 0.4 lb)
Free length after test ... 15.99 mm (0.630 inch)
Outside diameter ... 12.1 mm (0.48 inch)

(4) Torque for installing the cartridge assembly ... 50 ± 5 N·m (37 ± 4 lb ft)

Flow of SAE 30 oil at 1000 kPa (145 psi) pressure drop ... 140 L/min (37 US gpm)

Nominal coil voltage ... 12 VDC

Maximum coil voltage ... 14.5 VDC

Nominal coil resistance at 25 ± 5 °C (77 ± 9 °F) ... 7.75 ± 1.00 Ohms

Maximum coil resistance at 121 °C (220 °F) ... 12.68 Ohms

Minimum coil resistance at −40 °C (−40 °F) ... 5.81 Ohms

Nominal current draw at 25 °C (77 °F) ... 1.55 A

Maximum current draw at −40 °C (−40 °F) ... 2.5 A

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