Multiquip DCA-40SSAI operation manual Torque Ft.-Lbs, Lug Nut Torque Requirements

DCA-40SSAI —TRAILER SAFETY GUIDELINES

Table 3. Suspension Torque Requirements

Item	Torque (Ft.-Lbs.)
3/8" U-BOLT	MIN-30 MAX-35
7/16" U-BOLT	MIN-45 MAX-60
1/2" U-BOLT	MIN-45 MAX-60
SHACKLE BOLT	SNUG FIT ONLY. PARTS MUST ROTATE FREELY.
SPRING EYE BOLT	LOCKING NUTS OR COTTER PINS ARE PROVIDED TO
	RETAIN NUT-BOLT ASSEMBLY.
SHOULDER TYPE	MIN-30 MAX-50
SHACKLE BOLT

Lug Nut Torque Requirements

It is extremely important to apply and maintain proper wheel mounting torque on the trailer. Be sure to use only the fasteners matched to the cone angle of the wheel. Proper procedure for attachment of the wheels is as follows:

1.Start all wheel lug nuts by hand.

2.Torque all lug nuts in sequence. See Figure 5. DO NOT torque the wheel lug nuts all the way down. Tighten each lug nut in 3 separate passes as defined by Table 4.

3.After first road use, retorque all lug nuts in sequence. Check all wheel lug nuts periodically.

Table 4. Tire Torque Requirements
Wheel Size	First Pass	Second Pass	Third Pass
	FT-LBS	FT-LBS	FT-LBS
12"	20-25	35-40	50-65
13"	20-25	35-40	50-65
14"	20-25	50-60	90-120
15"	20-25	50-60	90-120	Figure 5. Wheel Lug Nuts Tightening Sequence
16"	20-25	50-60	90-120
					NOTE
					NEVER use an pneumatic air gun to
					tighten wheel lug nuts.

DCA-40SSAI — PARTS AND OPERATION MANUAL — FINAL COPY (07/09/01) — PAGE 17