TM-9-2320-366-20-3 MTV Unit Maintenance Manual M1083 Series - Volume 3 Download
Page 294 of 1396
TM 9-2320-366-20-3 KNOWN INFO TEST OPTIONS Visual Inspection YES NO 12. 2-2234.18 Change 1 Is air present at pressure protection valve output port? Replace air hose 501 (para 23-3). Replace pressure protection valve (para 11-29). If air is not present, pressure protection valve is faulty. If air is present, air hose 501 is faulty. CTIS operates. Air hoses free from kinks and leaks. Variable control check valve OK. Air hose 503 OK. Air hose 522 OK. Cab leveling valve tee fitting OK. Air hose 506 OK. Cab leveling valve OK. Air spring cylinders OK. Air hoses 504 and 505 OK. Air/hydraulic manifold OK. POSSIBLE PROBLEMS Faulty pressure protection valve. Faulty air hose 501. REASON FOR QUESTION u3. CAB LEVELING AIR SPRINGS DO NOT OPERATE (CONT)