Normal Procedures
Pilot's Flight Manual
Reissued: 16 Jan 2019 4-7
MAIN ROTOR SYS TEM
1. Main rotor transmission and mast CHECK
2. Main transmission oil level CHECK
3. Blades and rotor head CHECK
4. Main rotor dampers CHECK
5. Main rotor swashplate, pitch links, upper and
lower bearings CHECK
6. Main rotor mixer bellcrank CHECK
7. Main rotor control rods CHECK
ENGINE - RIGHT SIDE
1. Belt drive lower pulley bearings CHECK
a. Place hand be tween en gine and V-belt drive cover
(if in stalled); grasp for ward edge of pul ley (lower
cou pling drive) and try to move at right an gles to
shaft. Ob serve bear ing to de ter mine if bear ing in ner
race is a tight fit on lower pul ley shaft.
2. Engine lower coupling shaft CHECK
a. Fore and aft movement
b. Using a flash light (or equiv a lent), in spect ex te rior
of boot for crack ing, fray ing, chips, and de te ri o ra -
tion. If any dam age is ob served, re place boot prior
to flight.
3. Audibly inspect lower coupling drive shaft
for adequate lubrication as follows: CHECK
a. Grasp lower pul ley AFT spacer and ro tate cou pling
shaft back and forth to take up back lash in both di -
rec tions (CW and CCW). Lis ten for hard
metal-to-metal con tact noise be tween gear teeth. If
any metal-to-metal con tact noise is heard, lower
cou pling drive shaft and en gine adapter must be re -
moved and in spected in ac cor dance with Ba sic HMI,
Sec tion 10 prior to fur ther flight.
SCHWEIZER
Model 269C-1 Helicopter
FAA Approved
CSP book 2..indd 81 8/4/19 12:53 PM
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