Mec Speed Level 2684 ES, Руководство по обслуживанию и запасным частям

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“3084 Speed Level™ Sigma Lift” Service and Parts Manual November 2009
Page 4a-33
T
R O U B L E S H O O T I N G
- 3 0 8 4 R T
M O D E L S
- - H
Y D R A U L I C
P
R E S S U R E
A
D J U S T M E N T
- 3 0 8 4 R T
H
YDRAULIC
P
RESSURE
A
DJUSTMENT
- 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
Table 4a-5: Hydraulic Pressure Adjustment
A
D J U S T I N G
R
E L I E F
V
A L V E S
• 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.
Figure 4a-10:
Adjustable Valves Location - 3084RT
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
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