TYM T303HST User Manual

Part names and
inspection items
Nominal
dimensions
Standard value
for reassembly
Usable limits Service instructions
and remarks
6) SLOW RETURN CHECK VALVE(Flow control valve)
Maximum pressure
280 ㎏f/㎠
Gear oil
SAE #80 ∼ #90
at a temperature of 50
± 5℃
Cylinder port leaks
1 ㏄/min.at a pressure of 90 ㎏f/㎠
7) MAIN CONTROL VALVE
Cylinder port leaks
5 ㏄/min or less under a pressure of 100 ㎏f/㎠
Gear oil
SAE #80 ∼ #90 at a
temperature of 50 ±
5℃
Clearance between
main spool and
casing
0.01 ㎜
8) MAIN RELIEF VALVE
T303HST/T353HST
160+5 ㎏f/㎠
11-6
9) MAIN GEAR PUMP
T303HST/T353HST
21.5 ℓ/min Efficiency of 92 % at
2600 rpm
10) SUCTION FILTER
Rated flow 35 ℓ/min
Filtration density 150 mesh
Filtration area
450㎠
11) LINE FILTER
Rated flow 35 ℓ/min
Filtration density 80 mesh

TYM T303HST Specifications

General

Brand	TYM
Model	T303HST
Category	Tractor
Language	English