KUHN GA 7301, Руководство по сборке и эксплуатации

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3. Steering linkage system assembly
(Fig. 5)
Slide the short intermediate drag link (O) (length
1175 mm) into housings (Z) on carrying frame (P)
ensuring that the toggle is directed towards the
rear. Connect the long front drag link (Q) to trunion
(A) on the vertical axle (J) (fig. 5 and photo 9, page
13) and to the intermediate drag link (O).
Next assemble steering track rod (S) onto both
steering pivots (T) as shown in drawing 5. The
steering track rod is factory set to the theoretical
correct length. To check whether further adjustment
is required, proceed as follows :
Use a 5 m/16' long straight slat (U) to position the left
hand wheel parallel to the carrying frame (P). Wedge
wheel to avoid any change of direction.
Use a second slat (U1) to check that both wheels are
parallel. If necessary adjust rod length to achieve
correct wheel toe.
Without altering position of the wheels or carrying
frame, rotate the head stock (K) so that it is perfectly
perpendicular to the carrying frame (P).
Now adjust length of rod (W) to match the gap (X)
between both toggles and assemble in place. Tighten
counter nuts of rods (S) and (W) (drawing 5).
4. Assembly of lift arms and hydraulic
cylinders
Position the right and left lift arms (M) making sure
the rotor pivoting points are orientated towards the
rear (see fig. 24, page 17). Slide pins (N) into carrying
frame and lift arm bores adding shim washers (diam-
eter 45 x 55 x 1) if necessary. Secure with roll pins (O)
(dia. 10 x 65).
Mount hydraulic cylinders (Q), locks (R) and spacers
(dia. 20x25x29) on the main frame using screws (F)
(M20x220) and self-locking nuts (M20). If necessary
add plain washers (dia.20x38x3) to align locks (R)
with studs (Y) (photo 6). Make sure the bolt heads
(F) are located on the lock side and tighten self-lock-
ing nuts moderately to ensure the good functioning
of locks (R). Fix the springs (T) and connect the cyl-
inder rods to the rotor arm mounting yokes (M) with
pin (S) and 2 roll pins (V) (diameter 5 x 45) (photo
6).
Connect hydraulic hoses (U) to the hydraulic cylin-
ders and attach them to their barrels with clamp collar
(W) (photo 6).
Slide the 3 flexible hoses (U) and (H) into eyelets (X)
fixed under the carrying frame (P) and connect to T-
union (D) (photo 7).
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