Hydraulic Equipment Reverse high speed is adjusted on the left side of the pump (Fig. 493):
• Early Machines: “Eaton 350 Series Pump Service Manual” [Manitou part # 50940040].
• Left drive motor reverse adjustment: Tighten screw (C) to decrease left drive motor reverse speed.
Hydrostatic Pump Swash Plates Swash Plate Sensors
• Right drive motor reverse adjustment: Tighten screw (D) to decrease right drive motor reverse speed.
Swash plate sensors (X & Y, Fig. 494) on the hydrostatic pump sense the position of the swash plates in relation to the positions of the joysticks. Later Machines J
Y
D I H
C Front
Fig. 493 – Drive Motor Speed Adjustment (Reverse)
X
K
Travel Motor Gearbox Oil
Early Machines
Refer to "Travel Motor Gearbox Oil" on page 135 for gearbox oil maintenance information. X
A hydrostatic tandem pump assembly coupled to the engine drives two fixed-displacement hydrostatic drive motors. The motors move the tracks on both sides of the machine. The pumps and motors are controlled individually, allowing complete flexibility in forward, reverse, gradual, pivot and spin turns.
Y
J K Front
Fig. 494 – Pump Swash Plate Sensors
For detailed information on pump internal repairs, refer to the following Manitou service manuals:
Test the swash plate sensor electronics using the electronics diagnostic tool (see “Electronics Diagnostic Kit” on page 311).
• Later Machines: “Eaton 72400 Back-to-Back Pump Service Manual” [Manitou part # 50940605].
Printed in U.S.A.
I
H
Hydrostatic Drive Pump
• Supply voltage (between outer supply and outer return wires in connector): 4.75V - 5.25V 269
50940165/C0718
