Mec Speed Level Series User Manual

Page 118 Speed Level Series - Service & Parts Manual
January 2019Section 8 - Troubleshooting - 3084RT Models
Hydraulic Pressure Adjustment - 3084RT
Before attempting to check and/or adjust pressure relief valves, operate the machine for 15 minutes
or long enough to sufficiently warm the hydraulic fluid.
Insert a 0-5000 psi gauge onto the pressure test port on the valve manifold using gauge adapter
fitting MEC part no. 8434
Model Main Lift Steer Stand-by
3084RT 2800 PSI 193 bar 2500 PSI 172.4 bar 2000 PSI 137.9 bar 500-550PSI 35-38 bar
Adjusting Relief Valves
Remove the tamper proof cap.
Turn adjustment screw “IN” to increase pressure.
Turn adjustment screw “OUT” to decrease pressure.
When correct pressure is obtained replace tamper proof cap with a new one.
Do not operate pump with tamper proof cap removed. Fluid will emit
under pressure.
RV1
Lift Relief
RV2
Steer Relief
Main Relief
Stand-By Pressure Relief
LEFT SIDE
HYDRAULIC PUMP
MAIN HYDRAULIC
MANIFOLD
CONTROL MODULE POWER MODULE
Gauge Port
(Test Port)
ART_3161
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Mec Speed Level Series Specifications

General

Brand	Mec
Model	Speed Level Series
Category	Boom Lifts
Language	English