M0275-01
Model 3700
5-49
Rev. 10/18
TM
Lubrication and Maintenance
HYDRAULIC SCHEMATIC (VACUUM FAN SYSTEM) 24 ROW 70 CM
Vacuum fan
valve block
Vacuum fan
Oil reservoir
PTO pump
Oil cooler
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
Summary of Contents for 3700
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