"On-Tires" Lift
Listed below are special precautions for “On Tires” lifts.
"On-Tires" Lift Procedure
1.
The boom shall be carried straight over the front of the crane.
2.
Travel speed reduced to suit conditions.
3.
Maintain specified tire pressures.
4.
Avoid sudden starts and stops.
5.
Provide tag or restraint lines to snub swinging of the load.
6.
Keep the load as close to ground as possible.
7.
Set the swing brake and swing lock.
8.
Travel must be on a smooth level surface that is capable of supporting the
weight of the loaded crane. The travel surface must also be free of holes or
debris that can cause crane instability.
These precautions are necessary to prevent a “pendulum” effect of a swinging load. The
results of this happening can cause a machine tip over.
Any variation from the above conditions will require the operator to consider the
prevailing conditions and reduce the lift capacities accordingly.
Insufficient tire pressure reduces the “ON TIRES” capacity. Attempts to pick
rated capacity without properly inflated tires may cause crane to tip and/ or result
in damage to tires and rims.
The axle lockout system should be bled and filled whenever oil seepage, dirt or
oil is detected at the breather plug or on the rod. Air in the axle lockout system
decreases stability. Bleed and fill the system IMMEDIATELY whenever this
condition occurs.
Excessive high hydraulic oil temperatures cause rapid deterioration of rubber
components (hose, orings, etc.). A hydraulic oil cooler is required if high cyclic
operations (clam, concrete bucket, unloading) are performed. If hydraulic
reservoir temperature reaches 200 deg. F, reduce the duty cycle. Stop operations
as required to prevent further increase in the hydraulic oil temperature.
109
P/N 12261-319 REVISED: August 2012
Содержание RT200-1
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