|
AMSOIL Synthetic GH Series Heavy-Duty EP Grease
NLGI #1 and #2 (Lithium Complex
- Moly Fortified)
Extreme-pressure, moly-fortified.
Provides outstanding protection for four wheel drive
steering knuckles, spring shackles and other components
operating in high-load, low-speed conditions.
PRODUCT DESCRIPTION
AMSOIL GHD Extreme Pressure grease
is qualified against the highest grease standard,
NLGI GC (wheel bearing) and LB (chassis), and is designed
for heavy duty applications. This grease is composed
of synthetic base oils and lithium-complex thickeners
that provide the film strength, shear resistance,
and mechanical stability critical to high load protection.
This combination excels in high and low operating
temperature ranges by providing excellent oxidation
stability, high temperature dropping points, good
low temperature torque values and good low temperature
pumping capabilities. The GHD Grease is compounded
with oxidation and corrosion inhibitors, effective
oil soluble EP additives and molybdenum disulfide
(moly) solid EP additives for all around protection
in severe conditions.
The presence of moly provides an
extra measure of protection in shock loading situations
common in both construction and agricultural use.
During heavy shock loading, the lubricant film between
metal surfaces can be temporarily ruptured, but moly
remains intact to prevent metal to metal contact which
could cause equipment damage. Moly also assists in
dirty environments or when proper re-greasing intervals
are not followed.
AMSOIL's top performing lithium complex
thickener system provides excellent water resistance
as identified by the ASTM D-1264 water washout test.
Therefore, even in wet conditions a lubricant film
remains present to protect equipment against wear
while the corrosion inhibitors prevent rust. AMSOIL
GHD grease adheres to metal and is shear stable during
severe mechanical activity. These features mean the
grease does not thin during operation, but rather
it maintains its consistency and stays in place to
provide good lubrication.
PERFORMANCE FEATURES
- Moly Fortified for added EP protection
- Adhesive and Shear Stable - prevents squeeze
out
- High dropping point (exceeds 500ºF)
- Excellent water-washout resistance
- Oxidation and corrosion inhibited
APPLICATION RECOMMENDATION
AMSOIL GH Greases in grades #1 and
#2 are recommended for use in manual or automatic
lubricating systems. NLGI #1 (GHB) greases have better
mobility and are the preferred choice for colder applications,
for automatic lubrication systems with long pumping
runs, and for gear box applications (where recommended
by manufacturer). NLGI #2 (GHD) is the preferred choice
for medium to high ambient temperatures, sleeve type
bushings, high shock loading environments, high water
environments, and is the primary choice for wheel
bearings.
The correct consistency grade of
AMSOIL GH EP Moly Greases are recommended for use
in heavy and light duty applications found in manufacturing
plants, automotive applications, agricultural equipment
and construction equipment. These include, but are
not limited to, roller bearings, plain bearings, gears,
bushings, thrust bearings, wheel bearings, chassis
lubrication, universal joints, ball joints, tie-rod
ends, steering knuckles, and heavily loaded pivot
pins on mining and off road equipment such as power
shovels, draglines, wheel and back hoe loaders, excavators
and bulldozers. AMSOIL GH greases are suitable for
use up to 325º F. When operating at elevated temperatures,
frequent regreasing may be required.
AMSOIL GH Lithium Complex Grease
is compatible with many other types of grease. However,
it is recommended that when changing greases, the
equipment be cleaned of the old grease when possible
or flushed with a liberal amount of the GL grease
while the mechanism is in operation. Closely monitor
the system for any inconsistencies. Any grease compatibility
questions should be referred to your AMSOIL representative
or AMSOIL INC.
APPLICATION MAINTENANCE
Maintaining a clean work environment
is important when equipment greasing is performed.
Wipe grease fittings clean prior to injecting grease
to prevent contaminant ingestion. Maintain bearing
housings one-third to one-half full of grease. Do
not over-grease as excessive heat buildup can result.
Supplement standard grease maintenance by periodically
cleaning and packing housings with fresh grease on
an established maintenance schedule.
AMSOIL PRODUCT AVAILABILITY
AMSOIL GHD Grease is available in
14-oz. cartridges, 16-oz. tubs, 35-lb. pails, 120-lb.
kegs and 400-lb. drums.
AMSOIL Industrial Lubricants are
stocked in Superior, Wisconsin and in select regional
distribution centers throughout the United States
and Canada. AMSOIL will stock additional quantities
of lubricants or special order products based on customer
requests and regional demands.
Synthetic GHD Grease - Typical
Technical Properties
|
|
GHD
|
NLGI GC/LB
|
Thickener |
lithium complex
|
NR
|
Fortified with moly
compound |
yes
|
NR
|
NLGI consistency
grade |
2
|
NR
|
NLGI performance
grade |
GC-LB
|
NR
|
Penetration - ASTM
D 217 (25°C [77°F], 0.1 mm) worked 60 strokes |
265-295
|
220-340 min
|
Dropping point,
°F[°C] - ASTM D2265 |
550[288]
|
428[220] min
|
High temperature
life, hours - ASTM D 3527 |
160
|
80 min
|
Oxidation stability,
psi - ASTM D 942 (100 hr/300 hr) |
0/3 max
|
NR
|
Water washout, percent
- ASTM D 1264 |
1.8
|
15 max
|
Rust and corrosion
- ASTM D 1743 |
pass
|
pass
|
Oil separation,
percent loss - ASTM D 1742 (24 hours, 25°C [77°F] |
1.1
|
6.0 max
|
Leakage, g lost
- ASTM D 4290 |
1.0
|
10 max
|
Four ball wear test,
mm scar - ASTM D 2266 |
0.40
|
0.60 max
|
Fretting wear, mg
- ASTM D 4170 |
3.4
|
10 max
|
Four ball EP, kgf
- ASTM D 2596
Weld point
Load wear index
|
400
68
|
200 min
30 min
|
Timken OK load test,
lbs - ASTM D 2509 |
70
|
NR
|
Low temperature
torque, N*m - ASTM D 4693 (-40°C [-40°F]) |
1.3
|
15.5 max
|
LT-37 pumpability,
g/min (60°F/0°F [16°C/-18°C]) |
350/9
|
NR
|
Copper corrosion
- ASTM D 4048 |
1B
|
NR
|
Disc
brake wheel bearing specifications
Ford ESA-M1C 198A
Chrysler MS-3701
|
yes
yes
|
NR
NR
|
Oil viscosity:
40°C [104°F], cSt
100°C [212°F], cSt
|
151
19.2
|
NR
NR
|
Flash point, °F[°C]
- ASTM 92 |
470[243]
|
NR
|
Color |
purple/black
|
NR
|
Texture |
smooth
|
NR
|
NA: Not applicable |
NR: Not required
for NLGI GC-LB labeling |
|
|