TYM T303HST User Manual

9.place an appropriate size socket in the
hole in the piston block to keep the pivot
in place while installing the pistons.
10.With the pistons in place in the spider,
lower the pistons into the piston block.
NOTE:It is not necessary to put the pistons
in the original position.Any piston can be
installed in any hole.
13.if removed,install the spring pin in the
back plate used to retain the valve plate.
Allow the pin to protrude from the back
plate approximately 4.4mm(0.17 in)
14.If removed, install two dowel pins.
15.Apply a small amount of grease to the
steel side of valve plate to hold it in place
for installation.Place the valve plate in
position on the back plate with steel side
against back plate.
IMPORTANT: Install motor housing with
cam plate slope marking as shown.
If installed incorrectly the tractor
Shoe face
Spider
Pivot
Cam plate
slope marking
11.Tilt the motor housing so that the open
end is facing slightly downward.
12.Slide the rotating unit up the shaft until it
meshes with the splines on the shaft.
If installed incorrectly the tractor
will go backwards when forward
pedal in depressed.
16.install the motor assembly onto the back
plate assembly with the cam plate
marking as shown.
Make sure that the valve plate and cam
washer stay in position.
IMPORTANT: Damage to pump may occur
if retaining cap screws are not tightened
evenly,and in a criss-crossing pattern to
keep pump mounting flange and back
plate parallel.
17.install eight socket head cap screws to
retain motor to back plate.Tighten evenly
in a criss-crossing pattern so that pump
mounting flange and back plate remain
parallel.Tighten to 10-14N.m
(87-123lb-in).
4-37
Spring pin
Dowel pin
Motor valve plate

TYM T303HST Specifications

General

Brand	TYM
Model	T303HST
Category	Tractor
Language	English