TM 5-2410-240-23-1
0021
Table 2. Cab Troubleshooting With Codes. - Continued.
0021
CID FMI CODE
TEST OR INSPECTION
CORRECTIVE ACTION
2438-03 Winch Free Spool Switch
3. Using digital multimeter, test
Continuity Check Does Not
Voltage Above Normal - Continued
free-spool switch (WP 0018,
Agree With Expected Results -
Figure 58) for continuity (WP
Replace winch free-spool switch
0283) between the following
(WP 0217). Ensure all harness
switch terminals:
connectors are reconnected. Verify
a. Switch terminal 1 and
proper operation of machine (TM
terminal 2. Refer to
5-2410-240-10).
Table 7 for results.
Continuity Check Agrees With
b. Switch terminal 2 and ter-
Expected Results - Proceed to
minal 3. Refer to Table 7
step 4.
for results.
Table 7. Winch Free-Spool Switch Table.
0021
Switch Acti-
Switch Posi-
Expected Results
vation
tion
Terminal 2 and Terminal 3
Terminal 1 and Terminal 2
Released
Up
No Continuity (open)
Continuity (closed)
Depressed
Down
Continuity (closed)
No Continuity (open)
4. Using digital multimeter, test
No Continuity - Replace lower
for continuity (WP 0283)
cab harness (WP 0228). Ensure all
between harness connector
harness connectors are recon-
C-C51 (WP 0018, Figure 38)
nected. Verify proper operation of
terminal 2 and machine
machine (TM 5-2410-240-10).
ground.
Continuity - Proceed to step 5.
5. Disconnect harness connec-
tor C-C12 (WP 0018, Figure
22) from harness connector
PL-C1 (WP 0018, Figure 214).
6. Using digital multimeter, test
No Continuity - Replace lower
for continuity (WP 0283)
cab harness (WP 0228). Ensure all
between harness connector
harness connectors are recon-
C-C51 (WP 0018, Figure 38)
nected. Verify proper operation of
terminal 1 and harness con-
machine (TM 5-2410-240-10).
nector C-C12 (WP 0018, Fig-
Continuity - Proceed to step 7.
ure 22) terminal 9.
7. Using digital multimeter, test
No Continuity - Replace lower
for continuity (WP 0283)
cab harness (WP 0228). Ensure all
between harness connector
harness connectors are recon-
C-C51 (WP 0018, Figure 38)
nected. Verify proper operation of
terminal 3 and harness con-
machine (TM 5-2410-240-10).
nector C-C12 (WP 0018, Fig-
Continuity - Proceed to step 8.
ure 22) terminal 8.
