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h6287/h6288/h6289 pallet Jacks
To adjust the lowering speed of the forks:
1. loosen the lock nut on the adjustment stud.
2. turn the stud counterclockwise to lower the
forks more slowly or clockwise to lower the
forks more quickly.
—if you notice that the forks immediately
lower a little bit after you raise them, turn
the stud counterclockwise, then try raising
the forks and adjust as needed until they
do not sink.
3. tighten the lock nut when you are satisfied
with the adjustment.
Adding/Replacing Hydraulic Oil
hydraulic oil in the jack cylinder may need to be
added or replaced periodically after prolonged
use, if it leaks out, or if it gets dirty.
To add hydraulic oil:
1. lower the forks completely.
2. remove the fill plug on the Model h6287-88
(see
figure 11) or the oil seal on the Model
h6289 (see
figure 12).
figure 11. location of Model h6287/h6288 oil
fill and drain plugs.
drain plug
Fill plug
Adjusting fork Lowering Speed
the adjustment stud on the right side of the
base (see
figure 10) can be used to control how
quickly the forks lower.
figure 10. Adjustment stud and lock nut.
3. Add hydraulic oil until the oil level is just
below the fill hole.
4. replace the fill plug or oil seal.
To replace hydraulic oil:
1. Follow Steps 1-2 in To Add Hydraulic Oil.
2. remove the drain plug, let the oil drain out.
dispose the oil according to local and federal
regulations.
3. reinstall the drain plug, then add hydraulic oil
until the oil level is just below the fill hole.
4. reinstall the fill plug or oil seal.
figure 12. Model h6289 oil seal and drain plug.
oil seal
drain plug
