Four winns 278 VISTA Owner's Manual page 191

coupling ball does not fall within this range, coupler
failure and towing instability may occur. If using
another manufacturer's trailer, have the dealer check
the tongue weight before trailering.
NOTICE
DO NOT use a bent or damaged tongue or
coupler. Replacement parts may be ordered
through a Four Winns dealer.
The trailer tongue is hinged or removable on our
painted trailers and galvanized trailers. This allows
for easier storage. The tongue is attached with clevis
pin(s) with locking hair pin(s) or clevis pin keeper(s)
to the trailer frame. Refer to Figure S3.
Figure S3: Trailer Tongue Assembly
To pivot the tongue on trailers models with hinge
located inside the receiver:
1. Make sure the trailer jack is supporting the trailer
load properly. Refer to Section S-2C on Swivel
Jacks for additional information.
2. Unplug the wire harness at the trailer cross
member.
3. Disconnect the brake line coupler.
4. Remove the locking hair pins and clevis pins.
Please note, the locking hair pins must be rotated
away from clevis pin and then removed.
Trailer Information - Section S
NOTICE
The tongue will exert some pressure on the
clevis pins. It may be necessary to lift, push or
wiggle the tongue to remove the clevis pins.
5. Slide trailer tongue out of receiver until the hinge
is exposed. Pivot the tongue towards the trailer
as far as it will go.
To reinstall, follow this procedure in reverse order.
1. Pivot the tongue so that it extends straight and
is in alignment with the receiver.
NOTICE
When extending tongue ensure that the brake
line and wire harness are not pinched. Failure
to check could result in damage.
2. Slide the trailer tongue into the receiver until the
clevis pin holes are aligned.
3. Insert clevis pins with washers and locking hair
pins.
NOTICE
The tongue will exert some pressure on the
clevis pins. It may be necessary to lift, push or
wiggle the tongue to insert the clevis pins.
4. Reconnect the brake line coupler.
5. If towing the trailer, remember to plug the 5-wire
tongue harness to the trunk connector wire
harness of your tow vehicle.
Make sure the trailer tongue is secure before
hitching to the towing vehicle.
To pivot the tongue on trailers models with exposed
hinges:
1. Make sure the trailer jack is supporting the trailer
load properly. Refer to Section S-2C on Swivel
Jacks for additional information.
2. Unplug the wire harness at the trailer cross
member.
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