TM 5-2420-231-23-1
0027
Table 1. Hydraulic Oil Filter Warning Lamp Fault.
0027
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Hydraulic Oil Filter Warning
Test Step 1. Verify That Hydraulic Oil
Lamp Fault
Filter Warning Lamp Is On.
NOTE
Hydraulic oil filter warning lamp should illuminate for approximately 3
seconds, and then go out.
1. Monitor and record hydraulic oil fil-
Hydraulic Oil Filter Warning Lamp
ter warning lamp (Figure 1, Item 1)
Illuminates - Proceed to step 2
with ignition switch in the on posi-
Hydraulic Oil Filter Warning Lamp
tion (TM 5-2420-231-10).
Remains Illuminated - Proceed to Test
Step 3.
Hydraulic Oil Filter Warning Lamp
Does Not Illuminate - Proceed to Test
Step 6.
2. Start and operate engine at vari-
ous speeds and loads for approxi-
mately 10 minutes (TM 5-2420-
231-10).
3. Monitor and record hydraulic oil fil- Hydraulic Oil Filter Warning Lamp
ter warning lamp (Figure 1, Item
Illuminates at All Times - Proceed to
1).
Test Step 2.
Hydraulic Oil Filter Warning Lamp
Illuminates During Machine
Operation - Proceed to Test Step 2.