4
MAINTENANCE
Important
: Use only good grade hydraulic jack oil.
Avoid mixing different types of fluid and NEVER use
brake fluid, turbine oil, transmission fluid, motor oil or
glycerin. Improper fluid can cause premature failure of
the jack and the potential for sudden and immediate
loss of load. We recommend premium hydraulic oil.
Adding oil
1. With ram plunger fully lowered and air supply
disconnected, set jack in its upright, level position.
Remove oil filler screw.
2.
Fill with oil until just below the rim of the oil filler hole.
Reinstall the oil filler screw.
Changing oil
For best performance and longest life, replace the
complete fluid supply at least once per year.
1. With ram plunger fully lowered and air supply
disconnected, remove the oil filler screw.
2. Lay the jack on its side and drain the fluid into a
suitable container.
Figure 1 - 18502 & 18992 Nomenclature
SPECIFICATIONS
Model
Capacity
Base Size
(L x W)
Saddle
Diameter
Min.
Height
Max.
Height
Hydraulic
Lift
Volume Hyd.
Oil
Net
Weight
18502
50 Ton
10 7/8" x 7 3/8"
2 1/2"
12"
19"
7"
1,650 mL
129 lb.
18992
100 Ton
12 5/8" x 9 3/8"
4 1/2"
12"
18 1/8"
6 1/8"
2,555 mL
206 lb.
Quick
Connector
Air Hose
Handle
Lift Control Valve
Release Valve
Oil Filler Screw
Carry Handle
Air Motor
Ram Plunger
Saddle
Note:
Dispose of hydraulic oil in accordance with
local regulations.
3.
Fill with oil until just below the rim of the oil filler hole.
Reinstall the oil filler screw.
4. Perform bleeding/ venting trapped air instructions
Lubrication
Air pump should be internally lubricated before each
use. Use good quality air tool lubricant. If no inline oiler
is used, pour a teaspoon of air tool oil into the air control
valve inlet. Operate the jack with air pressure to fully
distribute the oil inside the air motor.
Cleaning
Periodically check the ram for signs of rust/corrosion. Clean
as needed and wipe with oily cloth.
Note:
Never use sandpaper or abrasive material on
ram surface!
Storage
When not in use, store the jack with ram plunger fully
retracted and air supply disconnected.