TM-5-5420-203-14

BRIDGE, ARMORED VEHICLE LAUNCHED, SCISSORING TYPE CLASS 60 & CLASS 70 ALUMINUM, 60 FOOT SPAN; FOR M48A5 AND M60 LAUNCHER

TECHNICAL MANUAL; OPERATOR’S, UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE

JUNE 1991

TM-5-5420-203-14 - Page 251 of 298

4-6. HEU MAINTENANCE INSTRUCTIONS - CONT

b. Assembly.

(1) Place installation tool (14) on hydraulic cylinder rod (2).

(2) Place new seal pack assembly (12) into cylinder head (13) land ring

flange (7).

(3) Place new retainer (10) and new O-ring (11) onto land ring

flange (7).

(4) Install land ring flange (7) into launching cylinder head (13).

(5) Install eight cap screws (9) in land ring flange (7). Tighten

screws (9).

(6) Install new wiper ring (8) in land ring flange (7).

(7) Thread cylinder bushing (6) into land ring flange (7).

(8) Install new scraper (5) in cylinder bushing (6).

(9) Remove seal pack installation tool (14).

(10) Install retaining plate (4) alining holes with cylinder

bushing

(6). Install four screws (3) securing retaining plate and assembly. Tighten four screws (3).

(11) Using cylinder rod and spanner wrenches, install clevis (1) on cylinder rod (2).

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