User Manual

A—Input (Pump) Shaft E—Forward Check H—Hydrostatic Transmission K—Transmission Case Drain

B—Variable Hydrostatic (Freewheel) Valve Housing L—Implement Relief Valve

Pump F—Reservoir I—Hydrostatic Drive Motor M—Reverse Check

C—Charge Pump G—Charge Relief Valve J—Output (Motor) Shaft (Freewheel) Valve

D—Filter

M78856 -UN-03APR95

MX,159025010,2 -19-20APR95

Theory of Operation/Hydrostatic Transmission Operation

TM1590 (17MAY95) 250-10-3 316, 318 & 420 Lawn and Garden Tractors

020895

250