TYM T303HST User Manual

SECTION 1. SPECIFICATIONS
General
Hydraulic Reservoir Capacity----------------------------------------------------------------35ℓ (9.24 us gal)
Pump or motor Roller Bearing( From back plate to Top surface of bearing)-------
--------------------------------------------------------------------- 2.3 mm±
±±
±0.2 mm(0.090 ±0.010 in)
Roller Bearing in Motor Housing(Recess From Top of Counter bore) ----------------
-------------------------------------------------------------------- 2.0 mm±
±±
±0.3 mm(0.078 ±0.015 in)
Spring pin in Back plate(From Back plate to Top surface of pin)-------------------- 4.4 mm(0.017 in)
HYDROSTATIC PUMP
Manufacturer---------------------------------------------------------------------------------------------EATON
Type ---------------------------------------------------------------------------------------------------piston pump
Model---------------------------------------------------------------------------------------------------77122RAA
Displacement(Variable)(maximum/rev0----------------------------------------- 40.6㎤ /rev(2.48 in³/rev)
Displacement(Engine at 2700rpm)------------------------------------------------- 109.7L/min(28.99 gpm)
Pressure relief Valve setting -------------------------------------------------------------- 41368 ㎪(6000 psi)
HYDROSTATIC MOTOR
Manufacturer ---------------------------------------------------------------------------------------------EATON
Type------------------------------------------------------------------Fixed displacement Axial piston Motor
Displacement (Fixed) --------------------------------------------------------------- 40.6㎤ /rev(2.48 in³/rev)
Displacement( engine at 2700 rpm) ------------------------------------------------109.7L/min(28.99 gpm)
TORQUE SPECIFICATIONS
Pump to back plate mounting Cap Screws----------------------------------------- 37-42 N.m(27-31 lb-ft)
Motor to Back plate mounting Cap Screws-------------------------------------- 10-14 N.m(87-123 lb-in)
Forward and Reverse pressure Relief valve--------------------------------- 135-149 N.m(100-110 lb-ft)
Charge pressure Relief Valve-------------------------------------------------------- 37-47 N.m(27-30 lb-ft)
Charge pressure Diagnostic port plug-------------------------------------------- 13-16 N.m(115-142 lb-in)
Pump side Passage Plugs on back plate----------------------------------------- 13-16 N.m(115-142 lb-in)
Motor side Passage Plugs on back plate-------------------------------------------- 28-33 N.m(21-24 lb-ft)
Transmission to tunnel Mounting Screws--------------------------------------- 126-154 N.m(95-115 lb-ft)
Tunnel to flywheel housing--------------------------------------------------------126-154 N.m(95-115 lb-ft)
Tunnel to rear transmission housing----------------------------------------------126-154 N.m(95-115 lb-ft)
SCV pressure Tube to pump----------------------------------------------------------- 55-79 N.m(40-59 lb-ft)
SCV pressure Tube to SCV------------------------------------------------------------ 55-79 N.m(40-59 lb-ft)
SCV Work port Tubes to SCV---------------------------------------------------------40-57 N.m(30-43 lb-ft)
Charge pressure Tubes to transmission Adapters----------------------------------- 55-79 N.m(40-59 lb-ft)
Cam plate bearing Caps Cap screw--------------------------------------------------- 37-42 N.m(27-31 lb-ft)
Tunnel Section to Differential housing Cap Screws----------------------------126-154 N.m(95-115 lb-ft)
Tunnel Section to Clutch Housing Cap Screws--------------------------------- 126-154 N.m(95-115 lb-ft)
4-1

TYM T303HST Specifications

General

Brand	TYM
Model	T303HST
Category	Tractor
Language	English