Technical data

13773-001
32-42
Page 8 30 Nov 2000
H. Inspection/Check - Master Cylinder Components (See Figure 32-422)
(a) Inspect retaining rings for cracks or burns.
(b) Inspect bushing, piston, end gland, and piston rod for nicks, scratches, or damaged
threads.
(c) Inspect cylinder body for damage to threaded ports and cracks in the floor attach point.
I. Parking Brake Valve (See Figure 32-423)
(1) Removal - Parking Brake Valve
(a) With parking brake knob in off position, drain hydraulic fluid from brake system
(b) Remove left crew seat. (Refer to 25-10)
(c) Remove kick plate from underside of left hand instrument panel and locate parking brake
valve mounted forward of instrument panel on the lower left side of console assembly,
adjacent to firewall.
(d) Disconnect brake hoses, and lines, from parking brake valve. Cap or plug ports and
hoses.
(e) Loosen clamp bolt on control lever and remove control wire.
(f) Remove bolts attaching parking brake valve to center console.
(g) Remove parking brake valve from airplane.
(2) Installation - Parking Brake Valve
(a) Position parking brake valve on outboard center console, aligning holes in parking brake
valve with holes in console; install bolts, washers, and nuts.
CAUTION: Do not cross left and right hoses. Hoses for left master cylinder and brake
connect to forward most outlet ports.
(b) Remove caps from hoses, and lines, and connect to appropriate port of parking brake
valve.
(c) Install clamp bolt, washer, and nut on control lever so bolt will swivel in control lever.
(d) If knob and control cable were removed, install wire, washer, and locknut on forward-side
of mounting bracket. Install sleeve, washer and control knob on aft side.
(e) Insert control wire through clamp bolt on control lever and torque clamp bolt nut to 20 inch-
pounds (2.2 N.m.).
(f) Bend control wire protruding past nut 90 degrees to prevent disconnect in the event nut
should become loose.
(g) Bleed brake system.(Refer to 32-42)
(h) Install kick plate to underside of left hand instrument panel.
(i) Install left crew seat. (Refer to 25-10)