Manitowoc 777 Service And Maintenance Manual

Reference Only
Manitowoc Published 10-01-2012, Control # 045-08 10-37
777 SERVICE MANUAL TROUBLESHOOTING
10
Test 9 – Location of Pump Test Ports
Swing System Pump
Port
Designation
Port
Description
Gauge
(psi)
O-Ring Fitting
(boom hoist, swing, travel)
O-Ring Fitting
(main hoist)
A and B Main system pressure 6,000 1 in. code 62 port flange 1-1/4 in. code 62 port flange
M1 Gauge port for Port A 10,000 SAE 6 SAE 6
M2 Gauge port for Port B 10,000 SAE 6 SAE 6
M3 Charge pressure 500 SAE 6 SAE 6
M4 Servo pressure 500 SAE 6 SAE 6
M5 Servo pressure 500 SAE 6 SAE 6
L1 and L2 Case pressure 500 SAE 12 SAE 16
AA 314
M1
FIGURE 10-11
M2
Port L2
Note: M3 is located between the
Port L1
malfunction valves
M4
M5
Ports
A and B

Manitowoc 777 Specifications

General

Brand	Manitowoc
Model	777
Category	Construction Equipment
Language	English