Dynojet 424x: Installation Guide - Manual (Page 135)

B A S I C D Y N O O P E R A T I O N
Preventative Maintenance
Version 8 Above Ground Model 424x/424xLC 2 Automotive Dynamometer Installation Guide
6-11
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PREVENTATIVE MAINTENANCE
This section covers maintenance items for all model 424 dynos with the Spring
Applied Air Release (SAAR) brake and the 4WD attachment. For more detailed
maintenance instructions, refer to the Maintenance Guide for Automotive
Dynamometers (P/N 98119101).
T HINGS TO C HECK
• Check all air fittings for leaks monthly. Correct any leaks found.
• Once per month verify the brake pressure gauge reads 100psi (690kPa). Adjust the
regulator if the pressure is out of specification. Refer to page 6-12 for more
information.
• Check the brake shoe clearance. Refer to page 6-13 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 -29°C to 93°C, intermittent to 121°C
(-20°F to 200°F, intermittent to 250°F)
EP additive yes
examples Mobil Mobilith AW-2