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 TM 9-2520-270-34
NOTE
Piston will move very slowly both in and out.
15.2 SCREW PLUNGER (1) ON DASHPOT (2)
HAND TIGHT.
NOTE
Piston will move very slowly both in and out.
15.3 CHECK RETURN TIME OF PISTON (3) IN
DASHPOT (2).
16. CHECK RETURN TIME OF PISTON (4) IN
DASHPOT (5).
a. Push in piston (3) and maintain
pressure until it stops. Release piston.
a. Push in piston (4) and maintain
pressure until it stops. Release piston.
b. Using timing device, check return time
of piston (3) in dashpot (2).
b. Using timing device, check return time of
piston (4) in dashpot (5).
c.
Replace dashpot (2) if piston (3) does
not return to a length of 0.40-0.50 inch
C.
Replace dashpot (5) if Piston (4) does
(10.2-12.7 mm) in 10-20 seconds.
not return to a length of 0.40-0.50 inch
(10.2-12.7 mm) in 10-20 seconds.
d. Go to step 17.
ASSEMBLE
17. INSTALL PLUG (6).
18. USING FLAT-TIP SCREWDRIVER, INSTALL
NEW RETAINING RING (7).
GO TO NEXT PAGE
4-411
Change 3
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