M0312-01Model 3605
6-46 07/20
Lubrication and Maintenance
HYDRAULIC SCHEMATIC - OPTIONAL TRACTOR DRIVEN PTO PUMP AND OIL COOLER SYSTEM
Oil cooler
Fan motor
assembly
Pressure
Return (⅝" hose)
Return (⅝" hose)
Case drain
(⅜" hose)
Pressure (½" hose)
Return (⅝" hose)
Strainer
Oil reservoir
EX
CF
IN
To PTO pump
Flow control valve
From PTO pump
Case
drain
Motor
return
Motor pressure
Filter
HYDRAULIC SCHEMATIC - VACUUM FAN MOTOR SYSTEM
Fan motor assembly
Vaccum fan motor
valve block assembly
Case drain
(⅜" hose)
Pressure (½" hose)
Return (⅝" hose)
Case drain
Pressure
Return
Drain hose
Relief valve
Check valve
Failure to connect to a return with zero
pressure will damage hydraulic motor.
Connect hydraulic motor case drain to a
case drain return line with zero pressure
on tractor. DO NOT connect hydraulic
motor case drain to SCV outlet. Contact
tractor manufacturer for specific details
on “zero pressure return”.
NOTICE