For
the last 15 years most pallet jacks have been manufactured in two main types of
handle design. The dimensions and parts themselves will be unique to each
brand. The vast majority of pallet jacks have a release lever in the center of
the handle frame within the handle loop. This lever controls whether the unit
is in lift mode, release mode or neutral. The bottom of the handle can attach
to a bracket with the bracket connecting to the pump (style A).
The
second common design is a handle frame that connects directly to the pump
(style B – see Valu-Jack photo below). All newer handles have an lower axle with
a roller around it. This roller makes contact with a cap or washer that
sits on the handle return spring. This spring surrounds the pump piston. As the
handle is pumped up and down the roller compresses the spring and piston. This
is what causes movement of the hydraulic oil through the pump and forces the
pallet jack frame to lift. The spring then returns the handle to the upright
position.
If a handle is out of adjustment or damaged
it can be difficult to operate while at the same time causing a safety hazard
for the operator. Routine maintenance will minimize downtime, extend the
overall life of your equipment and ensure safety when used.
Here is the maintenance protocol we
recommend every 6 months minimum. Perform in shorter intervals if your equipment
is in a high use environment.
-
Inspect the handle frame for cracks and structural integrity.
- There should be minimal side play (from
left to right or up and down if you wiggle it) in the handle socket.
- Check for worn bushings. If
bushings are not replaced regularly handle bracket holes can become worn.
Damaged holes cause pin failure and may require complete handle replacement.
- Inspect the roller for flat areas and
wear.
- Inspect the handle return spring for any cracks or failure to raise the handle
completely vertical.
-
Test handle release lever in all positions (Lift/Lower/neutral) and check
proper tension in the control lever linkage.
- Replace any of the hard parts are worn
more than 1/16".
* Here is a video on how to adjust the handle on your pallet jack
* Here is a video on installing the handle
* Here is a video on testing your handle
When the time come to replace your handle just follow this link to find your brand and model!
