TM10-3930-660-20 18-27. HYDRAULIC TUBING - REPLACE (Cont’d) CAUTION Wipe area clean around all hydraulic connections to be opened during removal. Cap lines and plug openings after removing lines. Contamination of hydraulic system could result in premature failure. If more than one hydraulic line is to be removed, identify lines to assure proper installation. Use suitable container to catch any hydraulic oil that may drain from system. 1. 2. 3. 4. DISCONNECT TUBING ASSEMBLIES (1, 2 AND 3) FROM RESPECTIVE HOSE ASSEMBLIES. DISCONNECT OPPOSITE ENDS OF TUBING ASSEMBLIES (1, 2 AND 3) FROM BULKHEAD FITTINGS (7 AND 8). LOOSEN CAPSCREWS (4) AND LOCKWASHERS (5) SECURING FOUR SETS OF CLAMP HALVES (6) TO UNDERSIDE OF BOOM. REMOVE TUBING ASSEMBLIES (1, 2 AND 3)  FROM  VEHICLE. INSTALLATION Remove caps and plugs as hoses are 2. SECURE TUBING ASSEMBLIES (1, 2, AND installed. Wipe all sealing surfaces on 3) USING CAPSCREWS (4), LOCKWASHERS valve and hoses clean and dry. (5) AND CLAMPS (6). 1. LOOSELY CONNECT TUBING ASSEMBLIES 3. AFTER ENSURING THAT TUBING (1, 2 AND 3) TO RESPECTIVE HOSE ASSEMBLIES (1, 2 AND 3) ARE NOT ASSEMBLIES AND TO BULKHEAD FITTINGS BINDING AT EITHER END, TIGHTEN (7 AND 8). CONNECTIONS SECURELY. 18-114