Part No. 40462
DPL-25S • DPL-30S • DPL-25S Super Series
7 - 21
September 2016
Section 7 - Repair Procedures
Inspection Failure
Raised pins.
Procedure
Visually inspect for raised
pins.
MAST ASSEMBLY
Inspection Remedy
Replace both chains on
that column section. Do
not repair just the
affected portion of the
chain.
Replace both chains on
that column section. Do
not repair just the
affected portion of the
chain.
Replace both chains on
that column section. Do
not repair just the
affected portion of the
chain.
Check alignment of chain
anchors and idler wheels.
Visually inspect for turned
pins by insuring all the
flats on the "V" heads are
aligned.
Visually inspect for wear
patterns on heads of link
pins and outside link
plates where they contact
the idler wheel.
Misalignment of flats on
all "V" heads.
Wear on pin heads or
noticeable wear in the
profile of the outside link
plate.
link plate wear
Visually inspect chain
terminals.
Broken chain
terminals fingers.
Replace chain terminal.
Bent or damaged terminal.
Replace chain terminal.
Twisted or misaligned
chain terminal.
Re-align chain terminal to
ensure even loading of
chain.
Threaded rod not visible
in inspection hole.
Replace chain terminal
and threaded rod.
Visually inspect chain idler
wheels.
Idler wheels have badly
worn flanges.
Replace idler wheel and
check chain alignment.
Idler wheels have
grooves worn into chain
contact surface.
Replace idler
wheel.
idler
wheel
chain
terminals
Visually inspect chain link
plates for cracks.
Cracks in any chain link
plate.
Replace both chains on
that column section.
Replace entire chain. Do
not repair just the affected
portion of the chain.
threaded
rod
Inspection
Raised or Turned Pins
Chain Side
Chain Terminals
Idler Wheels
Cracked Link Plates
