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11. Attach one flat hinge plate (7) to the front right rail and right hinge (3R) to rear right rail with
fiveM10*25 bolts,￠10 flat washers, and M10 nuts(A, B, C in bolt bag set 1) as shown below.
12. Attach a fender bracket (21) to the right spring hanger with two M10*25 bolts,￠10 flat
washers, and M10 nuts(A, B, C in bolt bag set 1).
13. Attach a fender(20) to the fender bracket with two M10*25 bolts,￠10 flat washers, and M10
nuts(A, B, C in bolt bag set 1).
14. Attach the right caster bracket (18R) to the flange of the right spring hanger with two
M10*25 bolts,￠10 flat washers, and M10 nuts(A, B, C in bolt bag set 1).
15. Attach two casters (19) to the caster bracket with two ￠10 washers and M10 self-lock nuts.
16. Attach the left hinge, fender bracket, fender, caster bracket, and casters on the left side rail
in the same way as above.
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17. Place the two leaf springs (26) on the spring hangers with the spring eye toward the front
then secure them using M14*80 bolt, ￠14 flat washer, and M14 nylon lock nut (H, I, J in bolt
bag4 ('Ⅳ')).
18. Place the axle (25) on the leaf springs. NOTE: The hole in the axle must be downward. The bolt
hole in the center of the leaf springs should match the bolt holes on the axle (see parts diagram).
Put the spring plates (27) under the leaf springs, then using U bolts (29) pass them through axle,
leaf springs and into the holes of the spring plates (27, 29 in bolt bag 4). Secure the assembly
with￠10 flat washers and M10 nylon lock nuts (B, C in bolt bag 4) as shown below.
19. Locate both tire/hub assemblies (36, 31). Using a flat head screwdriver and rubber mallet,
pry open the dust cap (35) of the wheels and find the cotter pin (28).
20. Attach both tire/hub assemblies to the axle by sliding hub (wheel studs pointed outward)
over the axle spindles as shown below. Slide the outer bearings (32) on to spindles and into
bearing caps in the hubs. Secure the hubs with hub flat washers (33) and castle nuts (34).
Tighten them snugly then back off castle nuts a little bit so that hubs can spin freely.
21. Grease both grease fittings (30) located on the backside of each hub assembly.
22. Insert cotter pins (28) through the holes at the end of axle spindles and bend pins over to
lock them in place. Gently tap the dust caps (35) over the hub openings until flange of the
cap seats is on the hubs.
23. Secure each tire /wheel assembly using the lug nuts (37). Torque the lug nuts to 85-90
ft.-lbs. With assistance, turn the trailer assembly right side up.
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