PISTON
PIN
(Cont'd)
Removal (Cont'd)
Install the old piston and connecting rod assembly on the
insert
in
the anvil. Make sure the insert goes between the
rod
small end and piston. hold the piston down against
spring pressure.
Turn the stop
pl
ug
inward until the pin guide (Item 1)
[AJ
just begins
to
lift the piston from the insert. Now the stop
plug is set for the correct distance when installing the new
piston pins.
Remove the pin guide, spacer and spring from the tube.
Install the piston and connecting rod assembly into the
anvil, make sure the insert (MEL 1294-1) goes between 8
the
rod
small end and the piston [B].
Use the drive tool (MEL
1294-2)
(Item 1) [C] and press
the pin from the rod and piston.
C
Installation
Install the spring, spacer and pin guide into the tube. The
pin guide, under spring pressure, will pas up through the
rod and piston in
line until the new pin is installed.
Put oil
on
the piston pin before installing it into the piston
and
rod
.
Use the driver
tool (MEL
1294-2)
(Item
1)
[0]
, press the 0
pin (Item 2) [0] into the piston and connecting rod, until
the spacer stops against the
plug on the bottom of the
tube. Check to see if the pin is centered in the connecting
rod.
Equal space at both sides of the piston pin.
NOTE: The piston must be free to move while
pressing the pin into position, check it
several times during installation of the piston
pin.
Added
Sept.
90
-70-42-
741,742,743,74305
Bobcat Loader
Service Manual
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