TM 5-2410-240-23-1
0021
Table 1. Cab Troubleshooting Without Codes. - Continued.
0021
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. Air Conditioning Does Not Blow
41. Using digital multimeter, test
Continuity - Proceed to step 42.
Cold When Maximum Cooling is
for continuity (WP 0283)
No Continuity - Replace A/C wir-
Selected - Continued
between harness connector
ing harness (WP 0245). Ensure all
AC-C1 (WP 0018, Figure 1)
harness connectors are recon-
terminal 10 and A/C harness
nected. Verify proper operation of
connector terminal C509-WH
machine (TM 5-2410-240-10).
(WP 0018, Figure 41).
42. Disconnect harness connec-
tor HL-C1 (WP 0018, Figure
175) from harness connector
C-C101 (WP 0018, Figure 46)
(WP 0229).
43. Using digital multimeter, test
Continuity - Proceed to step 44.
for continuity (WP 0283)
No Continuity - Replace upper
between harness connector
cab wiring harness (WP 0229).
C-C101 (WP 0018, Figure 46)
Ensure all harness connectors are
terminal 19 and harness con-
reconnected. Verify proper
nector C-C44 (WP 0018, Fig-
operation of machine (TM 5-2410-
ure 33) terminal 10.
240-10).
44. Using digital multimeter, test
Continuity - Proceed to step 45.
for continuity (WP 0283)
No Continuity - Replace upper
between harness connector
cab wiring harness (WP 0229).
HL-C1 (WP 0018, Figure 175)
Ensure all harness connectors are
terminal 19 and harness con-
reconnected. Verify proper
nector HL-C1 (WP 0018, Fig-
operation of machine (TM 5-2410-
ure 175) terminal 20.
240-10).
45. Disconnect harness connec-
tor C-C12 (WP 0018, Figure
22) from harness connector
PL-C1 (WP 0018, Figure 214).
46. Using digital multimeter, test
Continuity - Replace platform wir-
for continuity (WP 0283)
ing harness (WP 0150, WP 0155).
between harness connector
Ensure all harness connectors are
C-C12 (WP 0018, Figure 22)
reconnected. Verify proper opera-
terminal 27 and harness con-
tion of machine (TM 5-2410-240-
nector C-C101 (WP 0018,
10).
Figure 46) (WP 0229)
No Continuity - Replace lower
terminal 20.
cab wiring harness (WP 0228).
Ensure all harness connectors are
reconnected. Verify proper opera-
tion of machine (TM 5-2410-240-
10).
0021-67