STEP 3:
1. Put the springs (#9) on the spring hangers (#7) with spring eyes forward. Secure with M14 x
80mm bolt (#10) by going through the spring hangers, lock it with M14 nuts (#11). Then push
a cotter pin (#33) through the hole in the end of the bolt and spread it.
2. Place axle (#12) on top of spring (#9). Place spring plate (#14) under spring; using M10 U-Bolt
(#13) pass through axle, spring, and spring plate, then lock with M10 nuts (#3).
3. Repeat above steps for the other side of trailer.
STEP 4:
1. Remove dust cap (#22), take out cotter pin (#21), carefully slide hub assembly onto axle.
Place flat washer (#19) on axle, apply and tighten castle nut (#20) snuggly, back it off slightly
until wheel turns freely. Insert and spread cotter pin (#21). Fill dust cap (#22) 1/4" full of
Automotive Grease and replace firmly on hub.
2. Put tire/wheel assembly (#16) on hub dry. Then lock with 4 lug nuts (#17). Tighten with socket
or lug wrench to 90 ft-lbs.
NOTE:
Air value should be on outside of rim. Be sure that axle is perpendicular to side rails and
springs are parallel to side rails.
40IN. X 48IN. UTILITY TRAILER
OWNER’S MANUAL
4 of 10
PART
3
9
10
11
12
13
14
33
QTY
8
2
4
4
1
4
2
4
PARTS NEEDED
DESCRIPTION
M10 Nylon Nuts
Springs
M14 x 80 Bolts
M14 Nuts
Axle
M10 U-Bolts
Spring Plates
3mm Cotter Pins
PART
15
16
17
18
19
20
21
22
35
QTY
2
2
8
4
2
2
2
2
2
PARTS NEEDED
DESCRIPTION
Hub Assembly
Tire/Wheel Assembly
Lug Nuts
Bearings
3/4" Flat Washers
Castle Nuts
Cotter Pins
Dust Caps
Grease Fitting
STEP 5:
1. Turn trailer assembly over, right-side-up.
2. Bolt coupler (#23) to tow bar (#6) with hex bolts and nuts, (#24, 3), attach safety chain (#25),
then lock it.
NOTE:
Make sure the safety chain is the same length on each side.
3. Attach tail light brackets (#27) with bolts, and nuts (#1, 3) as shown in figure. Install license
plate bracket (#28) and left tail light (#29) (with clear lens facing down) with nuts. Install right
tail light (#29A).
4. Remove lens of side running lights (#30), feed the wire through the hole in the center of the
light and the center hole in the frame and attach to frame with self-tapping screws (#31).
5. Bolt fenders (#34) to side rails by using hex bolts (#1), lock nuts (#3).
40IN. X 48IN. UTILITY TRAILER
OWNER’S MANUAL
5 of 10
PART
1
3
23
24
25
27
28
QTY
8
10
1
2
1
2
1
PARTS NEEDED
DESCRIPTION
M10 x 20mm Bolts
Nylon Nuts
Coupler
M10 x 90mm Bolts
Safety Chain
Tail Light Bracket
License Plate Bracket
PART
29
29A
30
31
34
36
37
QTY
1
1
2
4
2
1
1
DESCRIPTION
Left Tail Light
Right Tail Light
Side Running Lights
Self Tapping Screw
Fenders
3mm R-Pin
Safety Pin
