VASHON AIRCRAFT RANGER R7, Руководство по обслуживанию

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Revision: 2 Date: 11-15-19
VASHON AIRCRAFT RANGER R7 MAINTENANCE MANUAL 5.7.16-11
Figure 5.7.16.7 Front spinner bulkhead alignment.
(i) Tighten snug in a star pattern.
(j) Torque hub bolts to 10 ft lb., then 15-17.5 ft lb., and finally to 25 ft lbs. in a star
pattern. Check blade track (see FAA AC 43.13-1B.) during tightening and DO NOT
OVER TORQUE. For more information
, please see Catto Propeller’s Custo mer
Operation and Maintenance Manual.
(k) If propeller is new, let propeller rest 10 minutes. Recheck bolt torque after first 2 to
3 hours of operation and then again at 10 to 15 hours.
(l) It is mandatory to recheck the bolt torque every 50 hours or 6 months, whichever
comes first.
If there are any significant changes in environmental conditions (+/40
ºF in temperature, and +/- 50% relative humidity consistent with changing
environmental seasons) the propeller bolt torque must be rechecked.
(m) Install stainless steel safety wire 0.041inch in accordance with the double twist
method of standard safety wire practices for aircraft as outlined in the current
version of FAA AC 43.13-1B.
(n) Install the spinner dome.
(o) If propeller bolt torques do not meet specifications, inspect the propeller hub as
outlined in the inspection part of this section (Part 3, Section 2, Step (j))