TM 55-2210-224-34
Table 3-1. INTERMEDIATE DIRECT SUPPORT AND INTERMEDIATE GENERAL SUPPORT
TROUBLESHOOTING (continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
35. ENGINE OIL PRESSURE GAGE DROPS BELOW SAFE OPERATING RANGE, BUT THERE IS NO
WARNING INDICATION. (cont)
Step 3. Check for low oil pressure in engine.
Refer to TM 5-2815-233-14 and correct oil pressure problem.
Step 4. Check for defective warning buzzer.
Replace warning buzzer (TM 55-2210-224-12).
36. ENGINE TEMPERATURE RISES ABOVE SAFE OPERATING RANGE AND HIGH TEMPERATURE
WARNING BUZZER DOES NOT ALARM
.
Step 1. Check for defective water temperature gage.
Replace temperature gage (para 3-12).
Step 2. Check for defective temperature safety switch.
Replace temperature safety switch (TM 5-2815-233-14).
Step 3. Check for defective warning buzzer.
Replace warning buzzer (TM 55-2210-224-12).
HORN
37. HORN WILL NOT SOUND.
Step 1. Check for closed auxiliary air cutout cock.
Open auxiliary air cutout cock.
Step 2. Check for defective horn operating valve.
Repair or replace horn operating valve (para 3-9).
Step 3. Check for defective horn assembly.
Repair or replace horn assembly (TM 55-2210-224-12).
3-19
