HH45 Harvester Head, HH55 Harvester Head, HH65 Harvester Head and HH75 Harvester Head Hydraulic System Caterpillar

Saw Motor for HH45 Harvester Head

Illustration 1	g00690922
155-9909 Saw Motor (1) 183-3990 Motor Rotating Group .

The saw motor is a fixed displacement bent axis motor.

Direction of displacement ... clockwise when you view the motor from the shaft end.

Displacement per revolution ... 16 CC (1 cu in/rev)

Maximum intermittent pressure ... 42000 kPa (6100 psi)

Maximum continuous pressure ... 35000 kPa (5100 psi)

Maximum speed ... 8000 rpm

Maximum intermittent speed ... 8800 rpm

Maximum flow ... 128 L/min (34 US gpm)

Weight ... 5.5 kg (12 lb)

183-3990 Motor Rotating Group

Illustration 2	g00691064
(2) Shims. (3) 144-7807 Screw. (4) Shims. (A) 76.7 ± .1 mm (3.02 ± .01 inch). (B) .20 ± .05 mm (.008 ± .002 inch).

Use the following shims (2) in order to obtain dimension (A) .

144-7804 Shim ... 0.1 mm (.004 inch)

144-7805 Shim ... 0.3 mm (.012 inch)

Use the following shims (4) in order to obtain dimension (B) .

183-4000 Shim ... 1.5 mm (.060 inch)

183-4001 Shim ... 1.2 mm (.047 inch)

183-4002 Shim ... 1.3 mm (.051 inch)

183-4003 Shim ... 1.4 mm (.055 inch)

(3) Torque for the seven 144-7807 Screws ... 7 ± 2 N·m (62 ± 18 lb in)

Saw Motor for HH55, HH65 and HH75 Harvester Heads

Illustration 3	g00453823
155-9923 Saw Motor

The saw uses a fixed displacement bent axis motor.

Direction of displacement ... clockwise when you view the motor from the shaft end.

Displacement per revolution ... 19 CC (1.2 cu in/rev)

Maximum intermittent pressure ... 42000 kPa (6100 psi)

Maximum continuous pressure ... 35000 kPa (5100 psi)

Maximum operating speed ... 7500 rpm

Maximum continuous speed ... 5400 rpm

Minimum continuous speed ... 150 rpm

Maximum power output ... 45 kW (60 hp)

Continuous power output ... 32 kW (43 hp)

Flow at 1000 rpm ... 19 L/min (5 US gpm)

Maximum oil temperature ... 75 °C (170 °F)

Minimum oil temperature ... -35 °C (-31 °F)

Weight ... 11 kg (24.3 lb)