SECTION 1. SPECIFICATIONS 1
General
Hydraulic Reservoir Capacity----------------------------------------------------------------14.5ℓ(3.83 us gal)
Pump or motor Roller Bearing( From back plate to Top surface of bearing)-------
---------------------------------------------------------------------2.0 mm±0.3 mm(0.078 ±0.011 in)
Roller Bearing in Motor Housing(Recess From Top of Counter bore) ----------------
--------------------------------------------------------------------2.0 mm±0.3 mm(0.078 ±0.011 in)
Spring pin in Back plate(From Back plate to Top surface of pin)--------------------4.0 mm(0.015 in)
HYDROSTATIC PUMP
Manufacturer -------------------------------------------------------------------------------------------------THI
Type ---------------------------------------------------------------------------------------------------piston pump
Model---------------------------------------------------------------------------------------------------THST-20R
Displacement(Variable)(maximum/rev)---------------------------------------------25㎤ /rev(1.53 in³/rev)
Displacement (Engine at 2700rpm)-------------------------------------------67.7L/min(17.88 US gal/min)
Pressure relief Valve setting---------------------------------------------------------------34.0 Mpa (4978psi)
HYDROSTATIC MOTOR
Manufacturer -------------------------------------------------------------------------------------------------THI
Type ------------------------------------------------------------------Fixed displacement piston Motor
Displacement (Fixed) ----------------------------------------------------------------- 25㎤ /rev(1.53 in³/rev)
Displacement( engine at 2700 rpm)-----------------------------------------67.7L/min(17.88 US gal/min)
TORQUE SPECIFICATIONS
Casing to back plate mounting Cap Screws-------------------------------- 470-666 N.m (347-491 lb-ft)
Forward and Reverse pressure Relief valve---------------------------- 1333-2000 N.m (983-1475 lb-ft)
Charge pressure Diagnostic port plug------------------------------------ 490-686 N.m (4339-6075 lb-in)
Pa Pressure Diagnostic port plug----------------------------------------- 490-686 N.m (4339-6075 lb-in)
Pb Pressure Diagnostic port plug ---------------------------------------- 490-686 N.m (4339-6075 lb-in)
4-1