TM-9-2320-366-20-3 MTV Unit Maintenance Manual M1083 Series - Volume 3 Download

Page 101 of 1396

TM 9-2320-366-20-3 WARNING The sudden release of high pressure air can cause damage to eyes. Wear appropriate eye protection when working near pressurized air. Failure to comply may result in injury to personnel. (1) Check to see if vehicles is equipped vent cover and vent cover is in good condition. (2) If vehicle is not equipped with vent cover or vent cover is damaged perform steps (4) through (18) of this test. (3) If vehicle is equipped with vent cover and vent cover is in good condition, go to step 2 of this fault. (4) Disconnect CTIS manifold valve vent hose from CTIS manifold valve assembly. (5) Disconnect CTIS manifold valve vent hose from bulkhead fitting in cab floor. (6) Check to see if CTIS manifold valve vent hose or bulkhead fitting is plugged or restricted. (7) If CTIS manifold vale vent hose and bulkhead fitting are not plugged or restricted, go to step 2 of this fault. (8) If CTIS manifold valve vent hose or bulkhead fitting is plugged or restricted, clean CTIS manifold valve vent hose and bulkhead fitting (para 2-43). (9) Connect CTIS manifold valve vent hose to CTIS manifold valve assembly. (10) Connect CTIS manifold valve vent hose to bulkhead fitting in cab floor. (11) Remove two screws and washer from front grille. (12) Remove screw, washer, and front grille from cab. Perform step (13) if vent cover is damaged. (13) Remove retaining nut and vent cover from bulkhead fitting. Discard retaining nut and vent cover. Part number 12422659 is required for step (14). (14) Install vent cover on bulkhead fitting with retaining nut. (15) Position front grille on cab with washer and screw. (16) Position two washers and screws in front grille. (17) Tighten screw to 48-60 lb-in. (5-7 N.m). (18) Tighten two screws to 24 lb-in. (3 N.m). NOTE NOTE Change 2 2-2071