Barko 830B, Service Manual

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60-40 ®
SERVICE- SERIES 45 HYD PUMP
(continued...)
Slipper
LS adjustment
PC adjustment
LS spool
PC spool
LS control
(attached to endcap)
Servo piston
Swashplate
Tapered
roller
bearing
Shaft seal
Tapered roller
bearing
Input shaft
Cylinder
block
Valve
plate
Cylinder
block
spring
Piston
Slipper retainer
Bias spring
P104 341E
Bias piston
1.3 Cross Section Illustration (Fig-1)
Open Circuit Axial Piston Pump
The pump receives fluid directly from the reservoir through the inlet line. The pump outlet feeds a PVG-
32 multi-section, load sensing, directional control valve. The PVG valve directs pump flow to the
cylinder and gear motor. Flow in the circuit determines the speed of the actuators. The position of the
PVG valve determines the flow demand.
Fig-1
Refer to Chapter 20 HYDRAULICS in this manual for pump settings. Information in this chapter
covers basic descriptions, maintenance and service information for this style of pump. Information
within Chapter 20 covers machine specific settings for this pump and other hydraulic components.
2. PUMP SETTINGS
06/05/2019
Updated
SERVICE