Craftsman 50284 - Manual (Page 8)

TROUBLESHOOTING
PARTS
MODEL NUMBER:
The Model Number and Serial Number are found on the jack label and handle socket.
Always mention the Model Number and Serial Number when requesting service or repair
parts for your jack.
12 TON : 50284
20 TON : 50285
AVAILABLE REPLACEMENT PARTS
HANDLE
OIL FILLER PLUG
Jack will lift
load, but will
not hold Jack will not
lower
completely Poor jack
lifting.
Pump feels
spongy Jack will not
lift to full
height Jack will
not lift
load Handle raises
by itself when
jack is under
load
POSSIBLE CAUSES AND
SOLUTIONS
(Refer to Operation and
Maintenance procedures for
detailed information)
Release valve not tightly closed.
To close or tighten, turn release
valve clockwise.
Air is in hydraulic system.
Release air from system.
See BEFORE INITIAL USE.
Oil level is low in jack.
Add oil as required.
1. If ram is still extended after load is
removed, manually push down saddle.
2. Oil reservoir is over-filled. Drain out
some oil.
3. Lubrication of moving parts is
necessary.
Power unit is malfunctioning.
Replace the jack.
X
X
X
X
X
X
X
X
X X
X
X
FIG. 6
8
X
X X
Model No.
50284
50285
Handle
1225
1225
Oil Filler Plug
12217
12217
Operators Manual
12222
12222
For after sale support and assistance:
Call 8:00 AM - 4:45 PM CST., Monday - Friday 1-888-332-6419