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11. EXPLANATION
OF COMPONENTS
11.5.8 RIPPER CONTROL LEVER
This lever controls all operation of the ripper; raise, hold and lower.
REMARK
Holding the lever in any position except HOLD for an extended period of
time after the cylinder rod has reached the limit of its travel will produce
excessive heat in the hydraulic system which may affect equipment per-
formance.
11.5.8.1
LOWER
Push the control lever forward to lower the ripper. When released the lever
will return to the hold position.
11.5.8.2
HOLD
The control lever will return automatically
to the hold position from either the
lower or raise position when released. The ripper will remain in the same
position it was when the control lever was released.
II 58.3
RAISE
Pull the control lever back to raise the ripper. When released the lever will
return to the hold position.
11.5.8.4 OPERATING
TECHNIQUES
I
A
WARN'NG
/
Lower the ripper to the ground before making any adjustments
or
whenever the machine is to be idle for any length of time.
When starting to rip, lower the ripper slowly until the desired penetration
is
achieved.
If the machine will not pull three shanks through the material to be
ripped, the center shank must be removed, using only the two end shanks. In
very hard material, it is normal practice to remove the two end shanks and use
only the center shank for ripping.
Rock and shale will often rip easier in one direction than it will in another, so,
where it is possible, try ripping at various angles until the best results are
obtained.
Ripping should be done at depths giving the greatest production
without overloading the machine engine. Try to keep the area being ripped as
level as possible.
Care must be exercised not to jack the rear of the machine off the ground when
ripping, as this results in loss of tractive effort and increases wear on the track
system of the machine. It is advisable to raise the shanks out of the ground
when making turns of 15" or more. Turns of more than 15" with the shanks in
the ground put undue strain on the ripper and machine and repeated practice
could cause serious damage.
2-l 8
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