ExTERIOR
D - 9
D
Should an electrical failure occur, remove the power head by loosening the two
Allen set screws. The jack post may now be operated manually by inserting the
emergency handle into the coupling on top of the post.
Replacing Power Head
It is essential that the following procedure be used before the power head is
replaced on the post.
1. With 12 volts connected, ground the power head to trailer “A” frame. Operate
main switch in “post retracting direction” until the motor stops automati-
cally.
2. Using emergency handle, crank post clockwise by hand until fully retracted,
then turn crank one turn counterclockwise.
3. Replace head on post and make sure that drive pin is engaged with post
coupler. Tighten Allen set screws.
Maintenance
1. Every two years remove screws and cover and check grease condition. Use
HMP grease similar to lubricate 630AA and spread on gear teeth, Grease is
not required on the nylon timing gears. No internal lubrication of the post is
required, but an occasional external application of a silicone or WD-40 spray
lubricant on the inner tube of the post when extended is permissible.
2. Before replacing the cover ensure that the plate and limit switch unit are
located correctly.
3. Apply a little sealing compound around the mating surface of the gear cover
and replace screws tightening them diagonally. Check synchronization if
head has been removed from the post.
4. A little penetrating oil on the Allen setscrews occasionally will help prevent
corrosion and difficult removal.
NOTICE: Leave tow vehicle transmission in neutral when lifting both units.
Dolly wheels are not recommended. Always retract stabilizing jacks before
using your Super Jack under load.
TIRES
Your trailer is equipped at the factory with name brand trailer tires. Most
Airstream dealers cannot make adjustments to tires. An Airstream dealer or
tire dealer that handles that particular brand must do this. If you ever have tire
problems check the local telephone directory for the nearest dealer.
To get the maximum performance from your tires check the air pressure often,
but only when the tires are cool. Never bleed out air immediately after driving.
Recommended tire pressures vary with tire type and size. For pressures refer to
the SPECIFICATION TABLE in this manual.
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