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6-11
2A
TILT
2B
22B7HS13
Tilt Back
When the seated operator shifts the lever back, the high pressure oil from the parallel passage is
directed past the load check valve, past the spool metering notches, and to the rod side of the
cylinder. Exhaust oil from the head side of the cylinder is directed past the spool metering notches
to tank.
Θ
2A
TILT
2B
22B7HS14
Pressure is limited by the main relief valve.
TILT SECTION
Operation
The tilt spool contains an internal plunger which acts to stop tilt forward actuation when the battery
power is off.
Tilt forward
When the seated operator shifts the lever forward, pressure is applied to the head of the tilt
cylinder, and the forks tilt forward. Oil is directed from the high pressure parallel passage past the
load check valve, past the spool metering notches, and towards the cylinder head.
Simultaneously, the high pressure acts upon the end of the tilt lock plunger to move it towards the
spring end of the spool. This plunger movement opens additional spool metering notches which
control oil flow from the rod end of the cylinder to the tank return line.
5)
(1)
Η