Platform Lift, Main Hydraulic Manifold - Mec Speed Level 2684 RT Service And Parts Manual

P L
LATFORM
NOTE: Refer to Hydraulic Manifold and Relief Pressure Adjustment Procedure.
Refer to Section 3 for Remove and Replace instructions.
• On model 3084RT, the lift system uses the hydraulic pump to obtain proportional lifting func-
tion controlled by the lift valve and proportional valve.
• On model 3084ES, the lift system uses the electric motor to obtain proportional lifting func-
tion controlled by the lift valve.
• Lowering is single speed. When lowering, the holding valve on the lift cylinder opens allowing
gravity to lower the platform. Lowering speed is regulated by a fixed orifice located on the lift
cylinder.
• ANSI: Platform capacity is limited by a hydraulic relief valve in the lift circuit. (Refer to
Machine Specifications or the Hydraulic Schematic for proper setting).
• CE: Lift capacity is controlled by the Overload System.
LEFT SIDE VIEW
October 2009
Page 1-26
C
IFT IRCUIT
"3084 Speed Level™ Sigma Lift" Service and Parts Manual
Figure 1-15: Platform Lift, Main Hydraulic Manifold
Lift Relief Valve
Lift Port
(3084RT only -
Orifice Under Fitting)
Lift
RED/BLU
3 Way Solenoid
Operated Hydraulic
Spool Valve
P L C
L A T F O R M I F T I R C U I T
FRONT VIEW
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