TM 1–1520–238–T–2 2–92 Change 6 Table 2–1. Master Failure Symptom Index (cont) Failure Symptom MOC Reference HISSING SOUND (STATIC) IS NOT HEARD (UHF–AM RECEIVER/TRANSMITTER: MODE SELECT SWITCH SET TO MAIN AND SQUELCH SWITCH SET TO OFF) TM 11–1520–238–23–2 UHF–AM RADIO SET HOD DISPLAYS A 140 C OR MORE READING FOR NGB 1 OIL TEMPERATURE TM 1–1520–238–T–4 DRIVE SYSTEM DYNAMIC HOD DISPLAYS A 140 C OR MORE READING FOR XMN 1 OIL TEMPERATURE TM 1–1520–238–T–4 DRIVE SYSTEM DYNAMIC HOD DISPLAYS A 140 C OR MORE READING FOR NGB 2 OIL TEMPERATURE TM 1–1520–238–T–4 DRIVE SYSTEM DYNAMIC HOD DISPLAYS A 140 C OR MORE READING FOR XMN 2 OIL TEMPERATURE TM 1–1520–238–T–4 DRIVE SYSTEM DYNAMIC HOD DISPLAYS A 28 LB OR LESS READING FOR NGB 1 OIL PRESSURE TM 1–1520–238–T–4 DRIVE SYSTEM DYNAMIC HOD DISPLAYS A 28 LB OR LESS READING FOR XMN 1 OIL PRESSURE TM 1–1520–238–T–4 DRIVE SYSTEM DYNAMIC HOD DISPLAYS A 28 LB OR LESS READING FOR NGB 2 OIL PRESSURE TM 1–1520–238–T–4 DRIVE SYSTEM DYNAMIC HOD DISPLAYS A 28 LB OR LESS READING FOR XMN 2 OIL PRESSURE TM 1–1520–238–T–4 DRIVE SYSTEM DYNAMIC HOD DISPLAYS A READING BETWEEN 96 C AND 139 C FOR XMN 1 OIL TEMPERATURE TM 1–1520–238–T–4 DRIVE SYSTEM DYNAMIC HOD DISPLAYS A READING BETWEEN 96 C AND 139 C XMN 2 OIL TEMPERATURE TM 1–1520–238–T–4 DRIVE SYSTEM DYNAMIC HOD DISPLAYS A READING BETWEEN 121 C AND 139 C FOR NGB 1 OIL TEMPERATURE TM 1–1520–238–T–4 DRIVE SYSTEM DYNAMIC HOD DISPLAYS A READING BETWEEN 121 C AND 139 C FOR NGB 2 OIL TEMPERATURE TM 1–1520–238–T–4 DRIVE SYSTEM DYNAMIC HOD DISPLAYS A READING FROM 29 LB THROUGH 49 LB FOR XMN 1 OIL PRESSURE TM 1–1520–238–T–4 DRIVE SYSTEM DYNAMIC HOD DISPLAYS A READING FROM 29 LB THROUGH 49 LB FOR XMN 2 OIL PRESSURE TM 1–1520–238–T–4 DRIVE SYSTEM DYNAMIC HOD DISPLAYS A READING FROM 29 LB THROUGH 54 LB FOR NGB 1 OIL PRESSURE TM 1–1520–238–T–4 DRIVE SYSTEM DYNAMIC