Maintenance - Central Hydraulics 39178 Assembly And Operating Instructions Manual

Harbor freight tools central hydraulics series 450 lb capacity transmission jack model 39178 assembly and operating instructions
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The Ratchet Tie-down (7) is used to secure the transmission to the jack to
prevent the transmission from falling off during use.
1)
To secure the transmission to the jack, first pass the belt over the top of the
transmission. Be sure the belt is not twisted, and is not pressing on any part of
the transmission that might be damaged, such as the speedometer cable fitting,
etc.
2)
Pass the end of the belt through the
ratchet behind the reel, and through
the slot in the reel, as shown in the
photo.
3)
Tighten the belt by pressing the ratchet
handle repeatedly downward, as
shown in the photo.
Flange
Release Tab A
1)
The mechanical parts of the jack, such as the Screw Rod (29) and hinge pins of
the Adjustable Frame (10) should occasionally be lubricated with heavy oil or
grease.
2)
Maintain and store the jack in a reasonably protected environment. Do not expose
to rain or excess moisture. Protect from salt water or other corrosive materials.
If it becomes dirty, clean it promptly with clean water or a suitable detergent. Be
aware that using a pressure washer to clean it may remove some paint from the
outer surface. Be sure to lubricate (outlined above) after cleaning.
SKU 39178
Ratchet Tie-down Operation
Release Tab B

Maintenance

Page 6
4)
When preparing to remove the Tie-
down, have an assistant stabilize the
transmission on the jack to keep it
from falling.
5)
To remove the belt: Pull release tab A
away from the spool and swing the
upper handle wide open until it rests
on the raised portion of the flanges,
as shown in the photo to the left.
WARNING: Keep your fingers clear of
the spool when releasing the ratchet;
it will rotate as the belt is released.
When the belt is loosened, pull it out
of the buckle and remove the belt.

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