Description
Hitachi UH121 Service Manual
Hitachi UH121 Index:
v Q OPERATIONAL PRINCIPLE
GENERAL(Machine Serial No.N 1129)
GENERAL(Machine Serial No. 1129N)
ASSIST VALVE
BRAKE VALVE
CYLINDER
FULL-FLOW FILTER
HM MOTOR
HPV125 AXIAL PISTON PUMP
IP GEAR PUMP
MVP CONTROL VALVE
KVC PLUNGER PUMP
PREFERENCE VALVE
REGULATOR
RM75A REGULATOR
SLOW RETURN VALVE
SX MOTOR
v DISASSEMBLY and ASSEMBLY
BRAKE VALVE
CYLINDER
HM MOTOR
HPV125 AXIAL PISTON PUMP (Serial No.N 1129)
IP GEAR PUMP
MPV CONTROL VALVE
KVC PLUNGER PUMP (Serial No. 1128)
TRAVEL DVICE
REGULATOR (Serial No. 1128)
RM75A REGULATOR (Serial No. 1129N)
SX MOTOR
SWING REDUCTION DEVICE
HOW TO DISASSEMBLY/ ASSEMBLE-HYDRAULIC EQUIPMENT
CONVERSION TABLE
v Q MAINTENANCE STANDARD
IJH121 MAINTENANCE STANDARD
CYLINDER
HM MOTOR
SX MOTOR