TM-9-2320-365-20-2 LMTV Unit Maintenance Manual M1078 Series - Volume 2 Download
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Change 1 2-1473 TM 9-2320-365-20-2 PRESSURE TEST Table 2-31. Clutch Pressure Tap Sub Code Sub Code Meaning Pressure at Clutch(s) Pressure Readings at Taps 00 11 22 33 44 55 66 77 L Range Test 1 Range Test 2 Range Test 3 Range Test 4 Range Test 5 Range Test 6 Range Test R Range Test C3 & C6 C3 & C5 C1 & C5 C1 & C4 C1 & C3 C1 & C2 C2 & C3 C2 & C4 215-334 psi (1480-2300 kPa) 215-305 psi (1480-2100 kPa) 142-203 psi (980-1400 kPa) 142-203 psi (980-1400 kPa) 142-203 psi (980-1400 kPa) 128-189 psi (880-1300 kPa) 128-189 psi (880-1300 kPa) 215-276 psi (1480-1900 kPa) (1) Remove front and rear propeller shafts (para 9-2). (2) Position drain pan under pressure tap. (3) Remove pressure tap plug and preformed packing from clutch pressure tap indicated by the sub code. Refer to Table 2-31. Clutch Pressure Tap. (4) Connect tube to boss adapter, hose, and pipe to tube adapter to clutch pressure tap. (5) Perform STE/ICE-R test #50 (TM 9-4910-571-12&P). (6) Start engine (TM 9-2320-365-10). (7) Make shift indicated by sub code. Refer to Table 2-31. Clutch Pressure Tap. (8) Accelerate engine until WTEC II TEPSS displays desired range. Refer to Table 2-31. Clutch Pressure Tap. (9) Maintain sufficient engine speed to keep desired transmission range while assistant notes reading on STE/ICE-R. (10) Let engine return to idle. (11) Shift transmission into neutral (TM 9-2320-365-10). (12) Shut down engine (TM 9-2320-365-10). (13) If one or more of clutches failed to indicate proper pressure, notify DS Maintenance. If all clutches indicate proper pressure, replace WTEC II TEPSS (para 8-2). (14) Remove pipe to tube adapter, hose, and tube to boss adapter from clutch pressure tap. (15) Position preformed packing and pressure tap plug in control valve module. (16) Tighten pressure tap plug to 84-120 lb-in. (9-14 N·m). (17) Remove drain pan under pressure tap. (18) Install front and rear propeller shafts (para 9-2). (19) Clear diagnostic codes (para 8-4).