Click here to make tpub.com your Home Page

Page Title: Selector Valve
Back | Up | Next

Click here for thousands of PDF manuals

Google


Web
www.tpub.com

Home


   
Information Categories
.... Administration
Advancement
Aerographer
Automotive
Aviation
Construction
Diving
Draftsman
Engineering
Electronics
Food and Cooking
Logistics
Math
Medical
Music
Nuclear Fundamentals
Photography
Religion
   
   

 

TM 10-3930-644-14&P
Selector Valve
this check.
Add automatic transmission fluid, if
necessary, to bring the oil level up to the FULL mark on
Forward (F) position permits oil to flow to the forward
the dipstick.  When so noted (every 1000 hours of
clutch and exhaust reverse clutch. Neutral (N) position
operation), the transmission sump should be drained
permits the selector valve to block oil at the valve and
and refilled with new oil.
exhaust both clutches. Reverse (R) position permits oil
to flow to reverse clutch and exhaust forward clutch.
CAUTION
DO NOT OVERFILL TRANSMISSION.
Converter Regulator Valve
No specific time intervals are given, but the shift control
Oil fed to converter from pressure regulator valve is
adjustment should be checked on occasion.
directed to end of converter regulator valve. Any time
force from oil on the end of the valve exceeds spring
The  transmission  operating  pressures  should  be
force, the valve opens to feed oil to lube and clutch
checked whenever the unit is not operating efficiently or
cooling circuit.
after any internal parts have been replaced.  Make
certain the oil cooler lines are tight. Refer to CHECK-
Clutch Orifice and Flyball
OUT PROCEDURES (TOPIC 2).
Clutch cylinders or pistons are provided with either bleed
Check and adjust the shifting mechanism if necessary.
holes or bleed holes and ball dump valve.  These are
Refer to TOPIC 3.
provided to exhaust oil from the clutch cylinder and
assure clutch release.  Centrifugal force could cause
Refer to TOPIC 4 for transmission oil cooler checks and
pressure buildup within the clutch cylinder if bleeds were
procedures.
not provided. The flyball bleed provides fast release and
permits higher apply pressure.
To service the oil filter refer to TOPIC 5. Change oil filter
every 200 hours.
B. SERVICE
At  periodic  inspections,  make  sure  all  mounting
At the truck lubrication period, open the trap door in the
capscrews are tight. Make certain no oil is leaking past
floor plate and check the oil level of the transmission
the output shaft and that the universal joints are tight.
sump by use of the dipstick. Engine must be running for
M-171-1
2-52

Privacy Statement - Press Release - Copyright Information. - Contact Us

Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business