Specifications

• Relievetheloadonthetiresbysupportingthetrailerframewithconcreteblocksorjack
stands.
• Lubricatemovingpartssuchastherollersandwinch,aswellastheballcoupler.
• Tightenanyloosenutsandbolts.
Extended storage (in excess of one year):
Follow the recommendations listed above for storage of several months duration. Ad-
ditionally:
• Checkthebrakesystemforfluidlevelinthemastercylinder.Ifthefluidlevelislow,
air may be trapped in the brake lines. Bleed all lines if necessary and fill the reservoir
to the proper level.
• Lubricatealllinksandpivotstopreventrusting.
• Fillthehubcavities(toavoiddamagefromvermin).
• Becertainthebreakawaysystemhasnotbesetandthattheactuatorisfullyextended.
• Whenpossible,storeawayfromexcessivemoisture.
troubleshooting
If any of the following potential problems
develop, the trailer must be immediately
stopped and the proper corrective action
taken before the trailer is placed back in
service. Failure to do so may lead to loss of proper trailer braking capability or
damage to the trailer and load.
Problem: Coupler latch handle does not open or close easily.
Possible cause: Remedy:
Oversize hitch ball. Check ball size at several positions. The ball
should be within 1.970”-2.000” in diameter.
Replace if necessary.
Possible cause: Remedy:
Ball not fully inserted in the Check for the proper ball size and positive tongue
ball socket. load. Check to see if the tongue jack is fully
retracted. Make sure there are no foreign objects
or excessive point inside the coupler cavity.
Possible cause: Remedy:
The trailer and tow vehicle are Reposition the tow vehicle and trailer or block
not level with each other or are a trailer tire and extend the actuator.
facing downhill.
Possible cause: Remedy:
Excessive corrosion. Lubricate or replace parts as necessary.
MasterCra Trailer Manual • Page 31