Machine Drives At Full Speed With Platform Raised Or Extended - Genie S-65 Service Manual

Section 5 - Troubleshooting Flow Charts
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Chart 34
Machine Drives
At Full Speed
With Platform
Raised or
Extended
Be sure boom drive limit
switch is being activated
by the cam on the boom
when the boom is
raised.
Be sure that the boom
extend drive limit switch
is not being held down
or being activated when
the boom is extended.
Be sure the wiring to
limit switches is intact
and show no sign of
damage or corrosion.
5 - 76
Extend the boom past
the drive limit switch and
continuity
check continuity from
ground to terminal #6 on
the horsepower limiter
board.
no continuity
continuity Repair open in org wire
Check continuity from
ground to TB40.
no continuity
Test limit switches. See
bad
procedure A-14 in the
Maintenance Section.
good
Repair open from wht
wires at TB40 to drive
limit switches (LS1 and
LS2), then from brown
ground wires to ground.
Genie S-60 & Genie S-65
Service Manual - Second Edition
Replace horsepower
limiter board OR re-
adjust horsepower
limiter board OR consult
Genie Industries Service
Department.
circuit from TB40 to
TP40 to terminal #6 on
horsepower limiter
circuit board.
Replace defective limit
switch contact OR
replace limit switch.
Part No. 48412