-2-
Model T10435 Tandem Chock/Locks
Figure 2.
Chock/lock adjustment location.
1. Apply a few drops of general automotive oil
on the drawbar threads shown in
Figure 2.
Setup and Adjustment
Drawbar Threads &
Locking Nut
2. Check and adjust tire air pressure to the
manufacturer's specifications.
3. Expand the chock/lock between the tires,
so both saddle plates press against the tire
tread, and the lock lever is pointing down, as
shown in
Figure 3.
Figure 3.
Chock/lock installed.
Padlock
Lock Lever
Saddle Plates
4. Tighten the locking nut (see Figure 2) until it
contacts the chock/lock mechanism.
5. Remove the chock/lock, move the lock lever
to the released position, and tighten the
locking nut a few more turns.
6. Re-install the chock/lock between the tires
and lock it in place with the lock lever.
—if the lever moves down to the locked
position with a firm snap, the adjustment is
correct and it is ready for use.
—if the lever locks easily and is loose, repeat
Steps 5 and 6 as required.
Operation
1. Read all safety precautions listed.
2. Check and adjust tire air pressure to the
manufacturer's specifications.
3. Park the trailer on a level surface, and chock
the wheels. Use leveling blocks if needed.
4. Support the trailer, and disconnect the
towing vehicle according to vehicle/trailer
manufacturers' instructions.
5. Using the appropriate jacks or stabilizers,
make the final trailer leveling adjustments.
6. On each tandem axle at the tire centerline,
position a chock/lock between the tires, and
move the lock lever so it is pointing down as
shown in
Figure 3.
7. install a padlock (not included) through the
hole in the lock lever (see
Figure 4) as
shown in
Figure 3.
Maintenance
before and After Every Use:
•
Wipe or brush away water, mud, sand,
or other debris, and wipe down the metal
surfaces with a lightly-oiled rag.
•
Make sure all surfaces are completely dry
before placing the chock/locks into storage.
•
Store the chock/locks in a clean and dry
location.
•
Periodically inspect the pins, welds, threads
and mechanisms for evidence of wear, cracks,
and loose or missing fasteners. Replace as
required.
Figure 4.
Chock/lock in the expanded position.
Lock Lever Padlock Hole
Lifting Handle
—if excessive force is required to lock the
lever, repeat
Steps 5 and 6, but loosen the
locking nut instead.
