TM 5-3805-262-34
CLEANING
Dry cleaning solvent P-D-680 used to clean
Wear protective goggles and gloves and
parts is toxic and flammable.
use only in a well ventilated
area. Avoid contact with skin, eyes and clothes and don’t breathe
vapors. Do not use near open flame or excessive heat and don’t smoke
when using it. Failure to do so could cause serious injury. If you be-
come dizzy while using cleaning solvent, get fresh air and medical
attention immediately.
If contact with skin or clothes is made, flush
with
with
(1)
(2)
(3)
INSPECTION
(1)
(2)
(3)
large an unts of water. If contact with eyes is made, wash eyes
water an. get medical aid immediately.
Clean exterior of housing (48) using clean cloth moistened with cleaning
solvent P-D-680. Dry using clean cloth.
Clean armature (21), brush set (28), and field coil (47) by wiping with
clean, lint free cloth. Don’t use cleaning solvent to clean these parts.
Clean all remaining parts using clean cloth moistened with cleaning sol-
vent P-D-680. Dry using clean cloths.
AND REPAIR (SHEET 1 OF 2)
Using micrometer, measure length of brush set (28) brushes. Replace brush
set if any brush is less than 3/8 inch long.
Connect an indicating dial scale to brush spring (29) as shown. Pull
scale and record scale indication. Repeat for remaining seven brush
springs (29). Replace all brush springs if scale indication for any one
brush spring is not 3-1/4 to 4 pounds.
Connect multimeter to terminal stud (43) as shown. Replace field coil
(47) and housing (48) if multimeter does not indicate continuity (multi-
meter pointer does not move to right).
3-547
