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Section 2 - Stripe Hog Systems
Helac Hydraulic Cylinder On Hog Arm
Hydraulic Motors and Actuators
The charge water pump and Hog Head spray bar
powered by hydraulic motors. Internal compo-
nents of the motors are lubricated and cooled
by the hydraulic fluid that powers the motor. All
hydraulic motors have maximum pressure ratings
and RPM settings that should never be exceeded.
Most hydraulic motors are designed to rotate in
one direction. If a motor needs to be removed
for any reason, always make sure to mark the
hoses and ports so they will be installed in the
correct position. If the hoses are installed in the
wrong ports the motor will rotate opposite of the
designed rotation which can permanently damage
the motor.
WARNING
REVERSING THE ROTATION OF THE SPRAY BAR MOTOR
CAN DAMAGE THE MOTOR AND/OR CAUSE THE SPRAY BAR
TO LOOSEN AND BE THROWN FROM THE HOG HEAD. THIS
COULD RESULT IN DAMAGE TO THE SHROUD OR INJURY
TO PERSONNEL.
Hydraulic Cylinders
Two types of hydraulic actuators are used in the
water blasting hydraulic systems. Rotary, “Helac”
cylinders are used on the Hog Arm and a con-
ventional ram type cylinder is used to raise the
debris tank.
Helac cylinders provide a broader range of move-
ment than conventional ram type cylinders. The
cylinders and hinged arm joints are integrated so
the joint bearings are lubricated by the hydraulic
fluid that powers the cylinders, eliminating grease
fittings at the joints and reducing maintenance.
Helac cylinders are sensitive to air. Consequently,
special procedures must be used to bleed air from
the cylinders when hoses or other Hog Arm hy-
draulic equipment is serviced.
The hydraulic cylinder that lifts the debris tank is
equipped with special counterbalance valves that
prevent the tank from dropping suddenly if a hose
ruptures or a fitting fails.
All hydraulic systems and cylinders require special
procedures for bleeding air from the system after
servicing components or replacing hoses. Contact
Hog Technologies if you need assistance in bleed-
ing the air from the hydraulic system.
Debris Tank Hydraulic Cylinder
Spray Bar Hydraulic Motor
Summary of Contents for SK5500
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Page 135: ...135 Section 5 Scheduled Maintenance Hog Technologies...
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Page 143: ...143 Appendix 3 Daily Report Pre Op Checklist 1 877 HOG ROAD WWW STRIPEHOGSUPPORT COM...
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