Estes Express VA Parts Book.pdf

Make sure jaw is locked open and trailer is at

(cid:190) Install new lever (13)

(cid:190) Remove pull handle (18)

With vehicle at rest in a relaxed condition

Place dolly under a trailer. Set brakes on trailer and dolly.

Note: It is necessary to use two wrenches to loosen/secure the standard

The standard nut should be fully tightened onto the handle's capscrew.

Make sure the jaw is closed. If not, it can be closed by pushing the trip block (9)

Remove safety wire on 1283 nut.

Pull dolly slowly out from under the trailer.

(cid:190) Remove the 3/8 bolt, 3/8 lock nut and the two 3/8 washers

Using a pair of vise grips, clamp the trip lock rod in front of the guide hole on 5th

Tighten the jam nut until it bottoms out on the end of the capscrew.

Back dolly slowly under trailer until jaw locks

Inspect springs for broken leaves and missing or broken spring keepers

Inspect drawbar eye assembly and tighten shank nut (Item 14) as

Complete tightening by locking the standard nut against the jam nut.

If the handle will not pull outward when the vehicle

(cid:190) Remove the trip block (9) and the trip block spring (28) through the

When removing the guide bolt (19), applying an anti-seizing compound to the

Remove 1283 nut and 1193 washer.

Remove the jaw spring (16) by pulling it through the push rod guide nut.

First 50 - Consult wheel maintenance instructions. Check wheel nut torque.

Tighten all other fasteners as required. Replace any worn, stripped or

Recheck handle movement for proper adjustment.

Use pliers or another suitable devise to remove old

Use forklift to hostler to pull against drawbar eye to remove it

Pull the fifth wheel handle (18) all the way out such that the jaw (12) is fully

Inspect all air lines and electrical cables for chafing, kinking, leakage or

Clean any debris from inside of shock absorber bushing and lubricate.

Every Check axle maintenance instructions. Check axle for oil levels and

(cid:190) Install the new trip block and / or trip block spring in the throat of the

First 5,000 1) Tighten the fifth wheel/leaf spring U-bolts to 375 lbs/ft torque.

Torque: 375 lbs/ft

Inspect fifth wheel table assembly for bent, worn, cracked or

Disconnect the fifth wheel handle (18) from the lever (13) and the lever from the

Use pliers or another suitable devise to install new trip block and spring.

Lubricate the shock absorber bushing with rubber lubricant or soapy water

(cid:190) Push the trip block (9) as far forward as possible, with a rod or bar

Lubricate the shank of the new drawbar eye with rubber

Remove the jaw/pushrod assy (12) from the 5th wheel table.

After the drawbar eye is in place, clean the threads on the shank. Coat

Lubricate and install the replacement jaw/pushrod assy (12) in the table making

(cid:190) With anti-seize applied to the 3/8 bolt, reinstall the bolt, two washers

Slide jaw/pushrod assy in place without spring. Align hole in jaw with mating hole

Install the washer and thread the nut onto the shank.

Tighten the nut until the rubber shock absorber bushing bulge’s toward

Apply loctite 242 medium strength thread adhesive or equivalent to cleaned threads

Install a safety wire on the nut to prevent it from backing off.

Thread capscrew (17) into jaw/pushrod assy (12) with two washers (14) between

Tighten the jam nut (11) 1/6-1/4 turn – after contacting the jaw while ensuring the

Periodically check on the tightness of the nut and adjust as necessary.

Slide pushrod spring (16) on push rod of the jaw

While holding lever back far enough so the jaw pushrod protrudes

Remove the vise grips from the trip block rod (9)

Test the table to ensure the jaw opens and closes properly, per drawing 86-033 A

Fifth Wheel Handle Adjustment.