Piper PA-34-200T Seneca II User Manual

PIPER
SENECA
II
SERVICE
MANUAL
A349
2
3 4
6
7 1
i os 11
12
13
14
1. HOUSING
6. PISTON
II. SNAP
RING
2. SNAP
RING 7. DYNA SEAL
12. ROD, PISTON
3. BUSHING. RETAINER
5. O-RING 13.
SPRING RETAINER
4. SPRING
9. GLAND, PACKING
14.
ROLL PIN
5. O-RING
10. O-RING
15.
WASHER
Figure 7-16. Brake Master Cylinder (Hand, Parking Brake)
7-54. BRAKE MASTER CYLINDER (HAND PARKING BRAKE).
7-55.
REMOVAL OF
BRAKE MASTER
CYLINDER.
(Refer to Figure
7-17.)
a.
To remove
brake
master
cylinder
(8), first
disconnect
inlet
supply line
(13)
from fitting
at top
of
cylinder
and allow fluid
to drain from the
reservoir and line
into a suitable clean
container.
b.
'Disconnect
pressure
line from
fitting
at bottom
of cylinder
and
allow
fluid to
drain from
the
pressure line.
c.
Disconnect
end of cylinder
rod
from the
brake handle
(6) by removing
the
cotter pin
that safeties
the connecting
clevis
pin (12).
Remove
clevis pin
and spacer
washers.
d. Disconnect
the base
of the
cylinder
from its
mounting
bracket
by removing
bolt
assembly
(I 1).
e. The
handle
assembly
(6) may be
removed by
removing
attachment
bolt assembly
securing
handle
to its mounting bracket.
7-56. DISASSEMBLY
OF
BRAKE
MASTER
CYLINDER.
(Refer to
Figure
7-16.)
a. Remove
snap
ring
(11) from
annular
slot
in rod end
of cylinder
and withdraw
piston
rod
assembly.
b.
Disassemble
piston
rod assembly
by removing
snap ring
(2)
securing
retainer
bushing
(3),
spring
(4), piston
(6),
seal
(7), gland
(9)
and large
retaining
spring
(13).
c.
Remove
O-ring
from
piston
and
gland.
7-57. CLEANING, INSPECTION
AND REPAIR OF BRAKE
MASTER CYLINDER.
a. Clean
cylinder
components
using a
suitable solvent;
then
dry thoroughly.
b.
Inspect interior
walls
of cylinder
for scratches,
nicks,
burrs, corrosion,
etc.
c.
Inspect general
condition
of fitting
threads.
d. Check
piston
and valve
for
scratches,
burrs and
corrosion.
e. Repairs
to the cylinder
are limited to
polishing out
small scratches
and burrs and
replacing washer
seal and
O-rings.
Reissued:
10/11/79
LANDING
GEAR
AND BRAKE
SYSTEM
1L7
Island Enterprises

Piper PA-34-200T Seneca II Specifications

General

Manufacturer	Piper Aircraft
Model	PA-34-200T Seneca II
Cruise speed	202 knots (232 mph, 374 km/h)
Crew	1
Horsepower	200 hp (149 kW)
Engine Type	Turbocharged piston
Horsepower (Lycoming)	200 hp