Tadano GR-700N - Inspection and Maintenance

Y-10.
Y-10.
Inspection and Maintenance
88
WY05-3950E
Y-10 Inspection and Maintenance
1. Refer to “Inspection and Maintenance” in “Operation Manual” of its applicable crane.
2. Maintenance of line filter
Maintenance table
Part No. Part name (usage) Type of work Qty.
Inspection and
maintenance interval
600 h
2,400 h
6 months
2 years
11-1
Suspension circuit Cleaning 2 points 
11-2
19-1 Steering mode selection circuit Replacement 1 point 
19-2 Suspension lock circuit Cleaning 1 point 
19-3 Steering upper circuit Replacement 1 point 
19-4
Slewing pilot circuit Cleaning 2 points 
19-5
19-6
Pilot valve circuit for boom slewing,
boom telescoping/jib telescoping pedal
Cleaning 1 point 
19-7
Pilot valve circuit for main winch/
auxiliary winch/boom elevation
Cleaning 1 point 
19-8
Elevation proportional valve circuit Cleaning 2 points 
19-9
19-10 Telescoping proportional valve circuit Cleaning 1 point 
19-11
Winch high-speed hoisting down circuit Replacement 3 points 
19-13
19-14
19-12
Telescoping lever operation selection
circuit
Cleaning 1 point 
19-15 Pilot pressure circuit Cleaning 1 point 
32 Steering and slewing pump circuit Replacement 1 point (*1)
52-1
Automatic stop circuit Replacement 2 points 
52-2
73 Winch brake circuit Replacement 1 point 
117-1 Upper pilot pressure source Cleaning 1 point 
12-1 Lower pilot pressure source Cleaning 1 point 
(Note): For the location of the parts, see "Z-1.1 Comparison table of hydraulic parts (part No., part name and
location)”, "Z-6 Hydraulic Parts Location Diagram (Upper)" and "Z-7 Hydraulic Parts Location Diagram
(Lower)" in the chapter Z.
(*1): Or when filter clogging warning lamp lights up.