Dynojet 248: Maintenance Guide - Manual (Page 20)

Maintenance Guide for Automotive Dynamometers
A U T O D Y N O M A I N T E N A N C E
4WD Attachment for Model 224 Dynos
16
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4WD ATTACHMENT FOR MODEL 224 DYNOS
This section covers maintenance items for model 224 dynos with the 4WD
attachment.
T HINGS TO C HECK
• Check customer supplied air filter/dryer daily, empty and clean as necessary.
• Inspect the 4WD dyno movement rails for debris once per month. Clear any debris
from the rails.
• Check all air fittings for leaks monthly. Correct any leaks found.
• Once per month maintain the brake pressure and brake shoe clearance. For AOH
brakes refer to page 3. If you have upgraded to the SAAR brake, see page 6.
• Adjust the lubrication provided by the air motor lubricator. Refer to “Adjusting the
Air Motor Lubricator” on page 18 for more information.
• Check the air motor lubricator once per month and fill as necessary. Refer to
“Filling the Air Motor Lubricator” on page 17 for more information.
• Dyno Bearing Grease:
Under steady use, over 25 runs per day, each bearing should receive .65oz (19 ml)
of a recommended grease every 2 months.
Under occasional use, less than 25 runs per day, each bearing should receive
.65oz (19 ml) of a recommended grease every six months.
Recommended Grease:
grease specification description
thickener Lithium 12 Hydroxy Stearate
oil Petroleum
thickness NLGI 2
operating temperature
(Fahrenheit)
-20°F to 200°F, intermittent to 250°F
operating temperature
(Celsius)
-29°C to 93°C, intermittent to 121°C
EP additive yes
examples Mobil Mobilith AW-2