Mec 3072RT - Hydraulic Pressure Adjustment Procedures

"3072RT / 3772RT / 3772RT HD" Service & Parts Manual - ANSI Specifications March 2008
Page 4-9
HYDRAULIC PRESSURE ADJUSTMENT PROCEDURES
• Before attempting to check and/or adjust pressure relief valves, operate the machine for
15 minutes or long enough to sufficiently warm the hydraulic oil.
• Insert a 0-5000 psi gauge onto the pressure test port on the valve manifold using gauge
adapter fitting MEC part no. 8434
MODEL
3072RT
3772RT
MAIN
2800 PSI 193 bar
2800 PSI 193 bar
LIFT
2500 PSI 172,4 bar
2500 PSI 172,4 bar
STEER
1500 PSI 103,4 bar
1500 PSI 103,4 bar
STAND-BY
500-550 PSI 35-38 bar
500-550 PSI 35-38 bar
Pressure Adjustment Table
RV1
Lift Relief
RV2
Steer Relief
Stand-By
Pressure Relief
Main Relief
RV4
Overpressure Relief
LEFT SIDE
PUMP
LIFT CYLINDER
MANIFOLD, 3772
Gauge Port
(Test Port)