Section3-User Responsibility, Machine
Preparation and Inspection Operation & Maintenance Manual
Dingli Machinery
3-6
14) Check Function Manifold, PLFA filter, steering valve and hydraulic lines for damage, leakage
and security.
15) Check gear pump and electric motor for damage or slacken.
Turret
1) Check turret for damage, loose or missing parts, and security. Check swing drive and brake
for damage, loose or missing parts, hydraulic lines and component housings for evidence of
leakage; worm gear for proper mesh with swing gear.
2) Check swing bearing for damage, wear, lubrication and loose or missing bearing bolts.
3) Check all pin and shaft retaining hardware for security and wear.
4) Check all electrical cables for defects, damage, loose or corroded connections.
Boom
1) Check Lower Boom and leveling link for damage, missing parts and security.
2) Check all pin and shaft retaining hardware for security and wear.
3) Check hydraulic lines and electrical cable for damage, missing parts and security.
4) Check limits switch connections and plunger for corrosion and security.
5) Check Lower Upright, cross pins, lower hydraulic cylinder and hydraulic lines for damage,
wear, lubrication, leakage and security.
6) Check boom pivot bushings for wear.
7) Check Upper Upright, cross pins, upper lift cylinder and hydraulic lines for damage, wear,
lubrication, leakage and security.
8) Check Upper Boom for damage, missing parts and security.
9) Check Upper Boom wear pads for damage, missing parts and security.
10) Check Upper Boom telescope cylinder, cross pins and hydraulic lines for damage, wear,
lubrication, leakage and security.
11) Check Platform Leveling Cylinder, cross pins and hydraulic lines for damage, wear,
lubrication, leakage and security.
12) Check jib articulating cylinder, cross pins and hydraulic lines for damage, wear, lubrication,
leakage and security.
13) Check solenoid valve for transition platform swinging and jib lifting,
connection-peg and cable
for damage, wear and security.
Platform
1) Check platform and control console for damage, loose or missing parts, and security.
2) Check control switches and levers for damage, loose or missing parts and security. Assure
that levers function properly.
