TM-9-2350-311-20-2 Maintenance Manual Volume 2 for M109 Cab Download

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TM 9–2350–311–20–2 2–48 2–36 BLOCKING — CONTINUED d. End Cleats Locate one cleat 2 in. x 4 in. x 12 in. (5 cm x 10.2 cm x 30.4 cm), against the end of each chock block (eight cleats required) and secure to car deck with 30-penny nails. Locate the upper cleat on top of the lower cleat and secure to lower cleat with 30-penny nails. e. Side Cleats Locate one cleat 2 in. x 3 in. x 10 in. (5 cm x 7.6 cm x 25 cm), against the inside and outside of each of the chock blocks (eight cleats required). Secure each to car deck with 20-penny nails. CAUTION Make sure cannon tube is securely locked in TRAVEL LOCK and CAB TRAVEL LOCK is engaged to avoid damage to howitzer. f. Track Blocks Cut 34 blocks to conform with the shape of road wheels. Locate blocks on tracks between wheels. Place wedges under block to ensure a snug fit against wheels, if required. Nail 2 in. x 4 in. (5 cm x 10.2 cm) cleat (length to suit) across top of blocks to prevent track blocks from sliding out of position. g. Holddown Rods Thread both ends of rod 1–1/4 inches (3.2 cm) diameter, length to suit. Insert one end of rod through lifting eye on front of vehicle. Bend rod and insert other end through stake pocket on opposite side of flatcar. Repeat operation with second rod and lifting eye on front of vehicle. Repeat operations with two rods on rear of vehi- cle. CHOCK BLOCK-EXPLODED AND ASSEMBLED VIEWS FLAT CAR REAR CHOCK BLOCK (2) TRACK BLOCK (24) TRACK INSIDE CLEAT (2) (HIDDEN) FRONT CHOCK BLOCK (2) BRAKE WHEEL BRAKE WHEEL-TO- MUZZLE CLEARANCE MUZZLE REAR HOLDDOWN ROD (2) REAR END CLEAT (4) FRONT END CLEAT (4) FRONT HOLD- DOWN ROD (2)