TM-5-3895-371-10
BITUMINOUS DISTRIBUTOR M918, MODEL D-63
TECHNICAL MANUAL; OPERATION INSTRUCTIONS
OCTOBER 1979
TM-5-3895-371-10 - Page 73 of 103
TM 5-3895-371-10
Table 3-2 Troubleshooting - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4.
5.
6.
7.
SPRAY FOGS
Step 1.
Pump speed too fast for size of nozzle
Check CIRCULATING IN TANK (para 2-7) for proper
relation
SPRAY STREAKS.
Step 1.
Pump speed too slow
Check paragraph 2-19 and table 2-1 for correct pump
speed
Step 2.
Nozzles not at proper angle
Adjust with nozzle wrench (para 2-4c)
Step 3.
Spray bar at improper height above ground
Adjust spray bar to give nozzle height of 12 in. above
ground (para 2-4e)
Step 4.
Material temperature too low
Heat material to highest temperature recommended for
spraying material
SPRAY LACKS PRESSURE.
Step 1.
Pump speed too slow
Check paragraph 2-19 and table 2-1 for correct pump
speed.
Step 2.
One of the control valves in incorrect position
Lift quadrant and turn valve plugs to position corresponding
to levers (para 2-10).
Step 3.
Discharge strainer plugged
Remove and clean (para 3-13)
APPLICATION RATE VARIES.
Step 1.
Improper reading of tank contents
Using measuring stick (11, fig B-1) for accurate readings
3-11
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