42
11.20 Fit steering assembly
.
11.21 Place a mass of about 11 kg (24 lb) on the weight tray and fully compress the column to
centralise the steering assembly in the weight tray.
11.22 Allow column to rise to its full extent and remove mass from weight tray.
, tighten four screws (6) to secure weight tray.
, tighten four screws (17) on cover (16).
11.25 Charge pedestal to working pressure
11.26 Carry out leak check
Ram
12
To assemble the ram:
12.1 Referring to
fit circlip (40) to second stage cylinder (4). Install lock ring (39) above circlip,
ensuring that recess faces circlip. Secure ring to circlip using plate (21) and screw (22) with Loctite 221.
12.2 Fit circlip (13) to upper groove in first stage cylinder (6).
12.3 Assemble second stage cylinder (4) to first stage cylinder (6), after servicing cylinder and piston
sub-assemblies
13
To install the ram:
13.1 Remove first stage ram plate (31), but do not disconnect chains or unthread cords from ram
plate.
13.2 Install second stage cylinder and first stage cylinder assembly into second stage ram plate (34).
13.3 Install lock ring (27) on exposed part of first stage cylinder (6) to abut circlip (13), ensuring that
recess faces circlip.
13.4 Fit first stage ram plate (31) onto first stage cylinder (6) and secure with circlip (26).
13.5 Secure first stage ram plate to column bottom tube (33) using eight screws (32).
13.6 Referring to
, assemble first stage piston, fit new 'O' ring seal (24) and secure ram to
manifold (25) with three screws (23). Do not tighten screws at this stage.
13.7 Referring to
, install assembled piston and manifold to tank, ensuring that a new 'O' ring
seal (8) is fitted and secure with eight screws (10) and washers (9). Do not tighten screws at this stage.
13.8 Thread cords (21) through bushes (20).
