Thrush Aircraft S2R–T660 Maintenance Manual page 236

K. Refer to manufacturer's data for pump lubrication.
L. Inspect emergency on/off control and valve for security and proper operation.
M. Inspect 3-way pressure control valve for security and proper operation.
N. Inspect both booms and the support for each boom for security and evidence of corrosion.
O. Inspect all nozzle diaphragms for deterioration.
P. Inspect all fan blades for cracks or nicks.
Q. Inspect all nozzles for orifice erosion. Replace as necessary.
AGITATOR AND SPREADER (Figure 9-5)
A. Inspect gearbox for proper oil level (refer to manufacturer's data).
B. Inspect fan, gearbox, drive shaft, agitator and coupling for security and proper operation.
C. Inspect agitator shaft seal at hopper for evidence of leaks.
D. Inspect spreader unit for cracks, loose rivets, loose or missing vanes and security to
airframe.
E. Support spreader, connect rear support tubes. Raise front connection camloc fasteners to
hopper sump and side latches. Spreader should be level, centered, and clear of door
control arms.
Effective: 12/17/03
THRUSH AIRCRAFT INC - T660 TURBO THRUSH
AIRCRAFT MAINTENANCE MANUAL
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