11 .
SEMI-ANNUAL INSPECTION
1 . Perform the procedures outlined in the “Monthly Inspection and Maintenance .”
2 . Repaint original painted components as necessary to prevent rust and corrosion from
reducing structural integrity of original components .
3 . Inspect pump motor by:
A . Disconnecting battery cable
B . Remove motor end cover
C . Examine the armature brushes for wear . (Brushes should be replaced if they are less
than 1/8” long) .
D . Clean all residue out from inside of the motor housing .
E . Apply several drops of light weight machine oil to the armature shaft bearing in the
motor end cover and reassemble the motor end cover .
4 . If the hydraulic oil in the reservoir is dirty:
A . Unfold platform and lower platform to the ground . Raise platform to bed height so
cylinders are fully retracted . Support platform in this position with a lift truck or crane .
B . Drain the oil from the hydraulic system and flush the entire system .
C . Remove reservoir from pump and clean suction line filter . Also, clean out any
contaminants inside reservoir . Remount reservoir when completed .
D . Replace the oil as outlined in Section 12 under Monthly Maintenance and Inspection .
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