V. OPERATING INFORMATION HYDRAULIC SYSTEM The auxiliary hydraulic system is an open type
hydraulic oil is sent to the oil cooler in front of the
directly mounted behind the heavy duty variable
engine coolant radiator. Here it is cooled and then
displacement pump. This system consists of dual
sent back to the hydraulic oil reservoir.
gear pumps that supply the required hydraulics to
The front, larger gear pump (fig. 5.20, item 1)
operate the full time power steering unit, lift
supplies only the cutters or pullers. The rear,
cylinders, and various cutters or pullers.
smaller gear pump (fig. 5.20, item 2) supplies
After supplying each of these systems, the
power steering and the lift cylinders.
1 2
FIG 5.20
NOTE: Immediately
shut
down
engine if low level hydraulic oil light comes on (fig. 5.21).
FIG. 5.21
42 OPERATING INFORMATION CONTINUED
