S 434-023
(2) Install the bolts, nuts, and washers to attach the frame assembly to the airplane structure (Fig. 403).
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S 434-024
(3) Install the four bolts that hold the bottom of the housing for the
quadrant/tension regulator to the airplane structure.
S 434-025
(4) Connect these body cables to the quadrant/tension regulator.
(a) Cables E1A and E1B on the captain's side.
(b) Cables E2A and E2B on the first officer's side.
S 094-026
(5) Remove the identification tags from the cables.
S 434-027
(6) Tighten the turnbuckles equally by small increments to the nominal
cable load.
S 094-029
(7) QUADRANTS WITH TENSION REGULATORS;
remove the cable tension relief holder tool from the forward end of
the quadrant/tension regulator.
NOTE:____ On new assemblies from vendors, there is a wood spacer
installed, not a cable tension relief holder tool. Remove
the wood spacer.
S 824-030
(8)
Lightly hit the cables to remove friction from the cable system.
S 824-031
(9)
Do the adjustment for the elevator body cables (Ref 27-31-00).
S 714-032
(10)
Do the operational test for the elevator control system (Ref 27-31-00).
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D. Put the Airplane Back to Its Usual Condition
S 864-033
(1)
Remove the DO-NOT-CLOSE tags and close these circuit breakers on the overhead panel, P11:
(a)
11B19, STAB TRIM ALT (IF INSTALLED)
(b)
11C12, STAB TRIM SHUTOFF LEFT
(c)
11C13, STAB TRIM SHUTOFF RIGHT
(d)
11H11 or 11C05, STAB TRIM CONT L
(e)
11H17, FLT CONT SHUTOFF TAIL LEFT
(f)
11H18, FLT CONT SHUTOFF TAIL CTR
(g)
11H20, STAB TRIM CONT R
(h)
11H28, FLT CONT SHUTOFF TAIL RIGHT
S 214-034
(2)
Make sure the RIGHT and CENTER STAB TRIM SHUTOFF valve switches on the control stand panel, P10, are at the NORM position.
S 414-035
(3)
Close the access door for the forward equipment bay, 113AL
(Ref 06-41-00).
S 414-036
(4)
Close the access door for the elevator aft quadrants, 313AL
(Ref 06-42-00).
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ELEVATOR PRESSURE REDUCER/BYPASS VALVE - REMOVAL/INSTALLATION
_____________________________________________________________
1. General_______
A. This procedure contains steps to remove and install the pressure reducer valves and the bypass valve for the pressure reducer valves that are in the elevator control system.
B. The steps to remove and install the left, right, and center pressure reducer valves are equivalent.
C. The pressure reducer valves and bypass valve are on the forward side of the APU firewall. The bypass valve is connected by hydraulic lines to the right and left pressure reducer valves.
TASK 27-31-13-024-031
2. Remove the Pressure Reducer Valve and the Bypass Valve_______________________________________________________
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