Metro Equipment Platform - Manual (Page 8)

8
Brake / Swivel Lock System
RECOMMENDED MAINTENANCE
Regularly inspect the casters. Tighten loose fasteners and replace worn or damaged parts with
new InterMetro approved parts. For mobile units, replace worn or damaged casters immediately;
lubricate casters regularly. Use EP1 grease or equivalent.
Table 1: EP1 Grease Specifi cation
TEST DESCRIPTION
ASTM
TEST
METHOD PROPERTIES
TYPE OF SOAP
CALCIUM
COMPLEX
Mineral Oil Viscosity, SUS, @ 100° F D88 500
Color Brown
Oxidation Inhibitors Present
Penetration —
Worked 60 Strokes
Worked 100, 000 Strokes
% Change from 60 Strokes
D217
313
275
12.1
Dropping Point, ° F D566 500+
Oil Separation, % D1742 0.95
Four Ball Wear Test
(1200 rpm, 1 hr., 40 kg., 75° C) —
Scar Diameter (mm)
D2266
0.46
Four Ball EP Test (U.S. Steel Method) —
Load Wear Index
Weld Point, kg.
40.0
260
Timken EP Test, lbs. D2509 50
Wheel Bearing Test
(60 mph [660 rpm] @ 250° F) —
Leakage, gms.
D1263
0.8
Oxidation Stability —
100 hrs., psi drop
500 hrs., psi drop D942 1
4
Water Washout Test —
% Loss @ 75° F
D1264
10.0
NLG1 Grade No. 1
Swivel
Seal
1
2
3
INSPECTION OF GREASE EP1 IN CASTER HORN
AND WHEEL ASSEMBLY
Roll Back
The Flange
of Swivel
Seal
FRONT
VIEW
Bearing
Caster
Plate
Area Where
Grease
Is Visible
Around
Bearing And
Caster Plate
IF GREASE IS
NOT VISIBLE IN
STEP 3 FOLLOW
THE PROCEDURE
IN PAGES 8-9
4
Grease
Fitting
APPLYING GREASE EP1 IN CASTER HORN AND WHEEL ASSEMBLY
2 LOCATION
DO NOT OVER GREASE
TO WHERE GREASE IS
ESCAPING FROM BETWEEN
THE SWIVEL SEAL AND
CASTER PLATE.
1
GREASE THE
CASTER HORN