Remove rings, bracelets, watches, necklaces,
and any other jewelry before working around
vehicle. Jewelry can catch on equipment and
cause injury or short across electrical circuits
and cause severe burns or electrical shock.
Loosen four screws on junction box cover.
Open cover on junction box.
Set multimeter to volts dc.
Connect positive (+) probe of multimeter
on terminal board position 5.
(5) Connect negative (-) probe of multimeter on
ground quick-connect terminal block
(above main power switch) and note
reading on multimeter.
(6) If 24 VDC is not present, go to step 2 of
(7) If 24 VDC is present, perform Electrical
System troubleshooting task e115.
M1084/M1086 Material Handling Crane
(MHC) Overload Shutdown System Stays