9
18. As shown in the picture, align the fixing end of
F (ceiling beam) inside and the beam outside, and
use tool
⑮
(6 # hexagonal socket wrench) and
screw O (M8 * 16 hexagonal socket bolts*8) to
tighten.
19. As shown in the picture, align G (backrest
beam) with ceiling frame mounting base, and use
tool
⑨
(12mm socket)
⑭
(torque wrench) to
tighten Y (M8 * 16 bolts*4) and J (
Φ 8 * 13 * 2
spring washer
*4
) (torque requirement 25-30
N·m).
20. As shown in the picture, use tool
④
(14 #
wrench)
⑥
(19 # wrench) R (Seat belt fixing
screws, nuts, spring washers and thickened
pads) to tighten the seat belt and the backrest
cross beam mounting base (screw installation
sequence: bolt - seat belt - frame- thickened pad
- spring washer - nut).
21. As shown in the picture, plug Z flat bush(blue
white zinc
Φ
10.1*20*H9 2pcs )into the fixed point
at the top of upper suction pipe,use tool
③(
13 #
wrench)
④(
14 # wrench) to tighten I screw
、
nut(bolt M10*30*1.5 2pcs
、
self-lock nut M10*1.5
2pcs) with backrest beam (torque requirement 49-
59 N m)
