TYM T303HST User Manual

4. HYDRAULIC SYSTEM BLEED PROCEDURE
Reason:
To remove air trapped in the hydraulic system
which will prevent proper operation.
Procedure:
IMPORTANT: If contamination is found in
hydraulic system filter or inside reservoir,flush
entire hydraulic system.
NOTE: Fill the hydraulic oil filter with new oil
before installing.
1.Install a new hydraulic oil filter.
2.Fill the transaxle with specified and
recommended Transmission oil to the proper
level in sight glass.
3.Disconnect in plug to fuel shutoff solenoid.
4.Turn the key to START and hold for 10
seconds.Turn the key to OFF.
5.Reconnect wires to fuel shutoff solenoid.
6.Raise tractor front end and support on suitable
stands.
7.Start the engine and run at low idle.
IMPORTANT
:If steering fails to respond, or
IMPORTANT
:If steering fails to respond, or
pump pressure is not being delivered to steering
control unit(SCU),shut engine off and check to
see that steering hoses are connected to the
correct SCU ports.
8.Slowly turn the steering wheel left and right
until wheels turn smoothly indicating that any
trapped air has been bled back to the reservoir.
IMPORTANT:If rock shaft fails to react to lift
control lever movement,shut engine off and
check hose clamps on suction tube elbow and
manifold to ensure that they are properly
tightened.
9.Operate rockshaft several times until it operates
smoothly.
10.Stop the engine and check the hydraulic
reservoir oil level.Fill as needed.Check all line
connections for leaks;tighten if necessary.
11.Lower the tractor to the ground.
12.Drive tractor in forward and reverse several
times until transmission operates smoothly.
4-16

TYM T303HST Specifications

General

Brand	TYM
Model	T303HST
Category	Tractor
Language	English