TM-9-2520-270-34
HYDROMECHANICAL CROSSDRIVE, TRANSMISSION HMPT 500 AND TRANSMISSlON CONTAINER ASSEMBLY
TECHNICAL MANUAL; DIRECT AND GENERAL SUPPORT MAINTENANCE
NOVEMBER 1984
TM-9-2520-270-34 - Page 743 of 933
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.
15.3 CHECK RETURN TIME OF PISTON (3) IN
DASHPOT (2).
a. Push in piston (3) and maintain
pressure until it stops. Release piston.
b. Using timing device, check return time
of piston (3) in dashpot (2).
c.
Replace dashpot (2) if piston (3) does
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.
NOTE
Piston will move very slowly both in and out.
16. CHECK RETURN TIME OF PISTON (4) IN
DASHPOT (5).
a. Push in piston (4) and maintain
pressure until it stops. Release piston.
b. Using timing device, check return time of
piston (4) in dashpot (5).
C
. Replace dashpot (5) if Piston (4) does
not return to a length of 0.40-0.50 inch
(10.2-12.7 mm) in 10-20 seconds.
17. INSTALL PLUG (6).
18. USING FLAT-TIP SCREWDRIVER, INSTALL
NEW RETAINING RING (7).
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