fig. 3 Routine Maintenance Schedule - Power plant
Inspection / Checks --- Hours
10
20
30
40
50
60
70
80
90
100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 260 270 280 290 300
1. torque exhaust manifold
bolts
X
2. Torque cylinder head
nuts (air-cooled engines
only)
X
3. Check air filter and fuel
filter for conditions
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
4. Check rewind starter rope
for conditions (manual
start engine only)
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
5. Check belt tension of
drive reduction unit
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
6. Inspect spark plugs for
conditions and clean
ignition cable terminal
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
7. Check exhaust system for
cracks and serviceability
of retaining springs and
rubber buffers
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
8. Check level of electrolyte
in the battery
X
X
X
X
X
X
X
X
X
X
X
X
X
X
9. Replace spark plugs
X
X
X
X
X
X
X
X
X
X
X
X
X
X
10. Torque propeller
mounting bolts
X
X
X
X
X
X
X
X
X
X
X
X
X
X
11. Torque self-locking nut
and mounting bolt of
driven and driving
wheels in the reduction
unit (belt type)
X
X
X
X
X
X
X
X
X
X
X
X
X
X
12. Torque self-locking nuts
relevant to engine
installation on its
housing and assembly on
engine mount
X
X
X
X
X
X
X
X
X
X
X
X
X
X
