TM-3-1040-268-20-P
LAUNCHER, GRENADE, SMOKE: SCREENING, RP, M250
TECHNICAL MANUAL; ORGANIZATIONAL MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST)
MAY 1982
TM-3-1040-268-20-P - Page 30 of 72
TM 3-1040-268-20&P
2-8. DISCHARGERS - MAINTENANCE INSTRUCTIONS (CONT).
LOCATION
ITEM
ACTION
REMARKS
b. Resistors - Maintenance Instructions (Cont).
1 Multimeter
2 Resistor
Range switch
New resistor (1)
Cover Plate
Gasket (1)
Set range switch on Rx1 and zero
multimeter.
Touch black probe on single wire
lead and place red probe on terminal
for each of three wires, one at a time.
a. If meter reads 13 to 18 on OHMS
scale, resistance is good.
b. If anyone of three readings is not
between 13 to 18 ohms, replace
resistor (1).
a. Check material. If brittle or torn, scrape gasket
from mating surfaces.
b. Remove protective paper from adhesive on
cover plate side of new gasket.
c. Install new gasket on cover plate (2).
2-18
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