Hokuetsu AIRMAN PDS185S-6EZ1 Instruction Manual page 54

5. Periodic Inspection/Maintenance
5.5.30 Check solenoid valve
Every 3,000 hours
When replacing it, contact your nearest dealer because it requires expert technical knowledge.
5.5.31 Check and confirm that drawbar is properly fixed with bolts properly,
according to specified tightening torque
Every 3 months
Tightening torque:1,327lb･in
5.5.32 Check and confirm that the bolts with which undercarriage brackets are
fixed are properly tightened.
Every 3 months
Tightening torque:929lb･in

Check and confirm once every three months that
the bolts with which drawbar is fixed are not
loosened. (8 points)

If it is found that specified tightening torque of
clamped bolts drops to a lesser value, retighten
them to correct specified value.
A220313

Check and confirm once every three months that
there is no looseness in tightening bolts. (8 points)

If it is found that specified tightening torque of
clamped bolts drops to a lesser value, retighten
them to correct specified value.
A100216
5-19