Table of Contents
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10 Structure, function and maintenance standard
Outline
This pump consists of 2 variable capacity
q
swash plate piston pumps, PC valve, LS valve,
and EPC valve.
IM:
PC mode selector current
ISIG:
LS set selector current
PAF:
Front pump delivery port
PAR:
Rear pump delivery port
PBF:
Front pump pressure input port
PBR:
Rear pump pressure input port
PD1F: Case drain port
PD1R: Air bleeder
PD2F: Drain port
PD2R: Drain port
PENF: Front pump control pressure detection port
PENR: Control pressure detection port
PEPC: EPC basic pressure input port
PFC:
Front pump delivery pressure detection port
PLSF:
Load pressure input port
PLSFC: Load pressure detection port
PLSR: Load pressure input port
PLSRC: Load pressure detection port
PM:
PC mode selector pressure detection port
PRC:
Rear pump delivery pressure detection port
PS:
Pump suction port
PSIG:
LS set selector pressure detection port
1.
Front pump
2.
Rear pump
3.
LS valve
4.
PC valve
5.
LS-EPC valve
6.
PC-EPC valve
BR380JG-1E0
SEN01351-00
5
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Table of Contents
Troubleshooting
