TM-9-2320-366-34-4 MTV Direct Maintenance Manual M1083 Series - Volume 4 Download
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TM 9-2320-366-34-4 26-11. M1089 BOOM TELESCOPIC CYLINDER REPAIR (CONT) (1) Clean all parts with dry cleaning solvent. NOTE If cylinder barrel fails inspection in Step (2) stop inspection procedure and replace cylinder assembly. (2) Inspect inner walls of telescopic cylinder (1) for pitting, corrosion, or evidence of binding. NOTE Replace any part that fails visual inspection. (3) Inspect two rods (2) for pitting, corrosion, or evidence of binding. (4) Inspect two pistons (3) for pitting, corrosion, or evidence of binding. (5) Inspect two cylinder heads (4) for pitting and corrosion. c. Assembly. NOTE Apply lubricating oil to all parts during assembly. Assemble upper cylinder first. (1) Install retaining plate (1) on rod (2). (2) Install wiper ring (3) on rod (2). 26-70