1123. DASE MAINTENANCE OPERATIONAL CHECK (cont)
o. On CPG collective stick (fig. 11112),
release BUCS select trigger switch.
p. On master caution/warning panels
(fig. 11114), check that BUCS FAIL
indicators are not lighted.
If BUCS FAIL indicators are lighted, go to
If pilot BUCS FAIL indicator is lighted, go to
If CPG BUCS FAIL indicator is lighted, go to
Ensure all personnel keep clear of flight controls when BUCS TST switch
is held in PLT or CPG position. When performing BUCS self test,
automatic control motion occurs.
During BUCS maintenance operational checks, cyclic sticks, collective
sticks, and directional pedals will move. Any restrictions of flight controls
may result in damage to the SPAD shear pins.
Do not release BUCS TST switch until BUCS ON indicators are no longer
lighted. Early release of BUCS TST switch will cause BUCS FAIL to flash 5
times and test step must be repeated. BUCS ON indicators will be lighted
for approximately 20 seconds after BUCS TST switch is moved to PLT or
q. Perform all axis control sweep to ensure
freedom of controls. Center all controls
before performing next step.
r. On pilot ASE panel (fig. 11109), hold
BUCS TST switch to PLT and perform the
(1) On pilot center circuit breaker panel
(fig. 11107), check that RTR BRK
circuit breaker is closed and remains
If RTR BRK circuit breaker does not stay closed, go
to paragraph 1150.
(2) On master caution/warning panels,
press MASTER CAUTION indicator.