Manitowoc 777 Service And Maintenance Manual

Reference Only
INTRODUCTION 777 SERVICE MANUAL
1-68 Published 10-01-2012, Control # 045-08
ABBREVIATIONS
Hydraulic Solenoid Valves
Pump and Motor Controls
Abbreviations
NOTE 1: Closed in reference to an electric system means
current can flow.
NOTE 2: Closed in reference to an air or hydraulic system
means air or oil cannot flow.
NOTE 3: All solenoid valves are 2-position valves.
Item Description
HS1
Travel Park Brake
HS7
Swing Park Brake
HS8
Rear/Luffing Drum Park Brake
HS9
Auxiliary Drum Park Brake
HS12
Front Drum Park Brake
HS13
Two-speed Travel
HS14
Swing Lock Engage
HS15
Swing Lock Disengage
HS16
Front Drum Band Brake
HS17
Rear Drum Band Brake
HS18
Boom Up Enable
HS19
Boom Down Enable
HS20
Front Drum Clutch
HS21
Rear Drum Clutch
HS22
Auxiliary Drum Pawl Engage
HS23
Auxiliary Drum Pawl Disengage
Item Description
AH
Auxiliary Hoist Pump
BH
Boom Hoist Pump
FH
Front Hoist Pump
LT
Left Travel Pump
RH
Rear Hoist Pump
RT
Right Travel Pump
S
Swing
Pump
Item Description
ALT Alternator
B1, B2 Motor
ED Ether Disable
EDC
Electric Displacement Control (Pump)
EFC
Electronic Fuel Control
ELEC MOT Electric Motor
ES Ether Start
FS Fuel Solenoid
FSR Fuel Solenoid Relay
K1, K2 Contactor
M Motor
M/C Motor Control
MS Motor Starter Solenoid
PC
Programmable Controller
P/C Pump Control
PCOR
Pressure Compensated Over-Ride (Motor)

Manitowoc 777 Specifications

General

Brand	Manitowoc
Model	777
Category	Construction Equipment
Language	English