REPAIR HOPPER LIFT CYLINDER - Continued.
ASSEMBLE - Continued.
ASSEMBLE PISTON COMPONENTS.
Do not clamp chrome surface of
piston rod in vise. Damage to
chrome surface of piston rod can
result from contact with steel vise
Clamp head end of piston rod (4) in bench vise
using vise jaw caps.
flammable and can be an irritant to
system. Avoid prolonged exposure.
Eye protection and rubber gloves
must be worn when working with
Lubricate piston rod (4), cylinder head (1), and
piston (7) with clean hydraulic oil.
Be careful not to damage preformed packing
when sliding over threads. Sharp edges of
thread can cut of damage preformed packing.
Damaged preformed packing will cause leakage
and affect performance.
Install cylinder head (1) and sleeve spacer (9).
Carefully rotate and slide cylinder head down
length of piston rod (4) to pivot end.
Install preformed packing (8) into packing groove
on piston rod (4).
Carefully rotate and slide piston (7) onto
threaded end of piston rod (4).
Install self-locking hex nut (6). Using a socket
wrench adapter, tighten hex nut to 200 lb-ft (271
installation. Allow one hour for seals
and preformed packings to resume
original shape after installing cylinder
head and piston on piston rod.
Remove piston rod (4) from bench vise. Allow
one hour for installed seals and packings to
resume their original shape.
GO TO NEXT PAGE