TM-9-2350-311-34-1 Maintenance Manual for Volume 1 M109 Hull Download
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TM9-2350-311-34-1 5-5 AIR CLEANER BLOWER MOTORS — CONTINUED d. Test 1 2 3 4 5 6 7 8 9 Remove motor cover. Disconnect electrical lead. NOTE Steps 3 and 4 apply to M109A2/M109A3 Howitzers. Step 5 applies to M109A4/ M109A5 Howitzers. Start engine and run at idle (TM 9-2350-311-10). Turn on electrical systems. Put vehicle in gear and turn MASTER switch on. Perform electrical test as shown below. Place red lead of multimeter in lead connector (6) and black lead to ground (8). Read and monitor voltage. If voltage increases or fluctuates, replace capacitor. If inoperable, perform other electrical troubleshooting procedures (TM 9-2350-311-20-1). 5-34