Troubleshooting; Parts - Craftsman 50284 Operator's Manual

Jack will Jack will lift
not lift load, but will
not hold
load
X X
X
X
X X
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
Model No. Handle
50284 1225
50285 1225
Call 8:00 AM - 4:45 PM CST., Monday - Friday 1-888-332-6419

TROUBLESHOOTING

Jack will not Poor jack
lower lifting.
completely Pump feels
spongy
X X
X
X
X
Oil Filler Plug Operators Manual
12217 12222
12217 12222
For after sale support and assistance:
Jack will not Handle raises
lift to full by itself when
height jack is under
load
X X
X
X

PARTS

HANDLE
8
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.
OIL FILLER PLUG
FIG. 6