gpm (20 to 22 US gpm/77 to 82 lit Imin).
"Converter In" pressure tested with a 150
psi pressure gauge should register 40 to 90 psi (276 to
620 kPa /2,8 to 6,3 kg/ sq cm) at test port on pump
valve body. Pressure is checked with transmission shift
On the machine, the engine and transmission are
lever in NEUTRAL and engine at 2000 RPM.
mounted in such a manner that in order to remove the
transmission, the engine and transmission must be
removed as a complete unit.
Park machine on a level surface, lower the
blade and securely block the machine.
Remove hydraulic tank.
Remove rear fenders and engine side
Remove radiator (refer to COOLING
Close fuel shut off valve at fuel tank and
"Converter In" Pressure Tesl
disconnect and cap fuel supply and fuel return hoses at
To test the "Clutch" pressure, the trans-
mission oil should be at operating temperature of 180 to
Disconnect and label all electrical
200°F (82 to 930C) and engine at idle (600 RPM). Shift
connections at engine. Remove engine temperature
through all direction and speed clutches with brake
sending unit from the engine.
applied. With a 300 psi pressure gauge installed in the
test port on the filter housing. the clutch pressure should
register 240 to 280 psi (1654 to 1930 kPa 16,9 to 19,6
kg sq cm). All clutch pressures must be equal within 5
psi (35 kPa/0,4 kg Isq cm). If clutch pressure varies in
any one clutch more than 5 psi, clutch requires repair.
Disconnect and cap air intake hose and
remove air cleaner assembly. Disconnect exhaust pipes
"Clutch" Pressure Test
Disconnect front and rear drive shafts from
transmission output shafts.
With a flow gauge installed in the "Converter Out" line
near the air-oil cooler, it should register 17 to 18 Imp.