SECTION 8 FUEL AND LUBRICANT SPECIFICATIONS
8-2 DD-29/31HF/38HF Vibratory Asphalt Compactors
FUEL AND LUBRICANT SPECIFICATIONS
GENERAL INFORMATION
Extended warranty is available at no extra charge when you use genuine manufacturer-
approved lubricants and parts. See your authorized dealer for details.
Lubrication is an essential part of preventive maintenance, affecting to a great extent for the
useful life of the unit. Periodic lubrication of the moving parts reduces to a minimum possibility
of mechanical failures. For maximum machine life and performance, we recommend the
use of genuine manufacturer brand lubricants.
Different lubricants are needed and some components in the unit require more frequent
lubricant than others. Therefore, it is important that the instructions regarding types of lubricant
and frequency of the application be explicitly followed.
The Lubrication Chart that follows in this section shows those items requiring regular service
and the interval at which they should be performed. Details concerning fuel, oil and other
lubricants follow the lubrication chart. A regular service program should be geared to the items
listed under each interval. These intervals are based on average operating conditions. In the
event of extremely severe, dusty or wet operating conditions, more frequent lubrication than
specified may be necessary.
All oil levels are to be checked with the machine parked on a level surface and while the oil is
cold, unless otherwise specified.
On plug type check points, the oil levels are to be at the bottom edge of the check port.
All grease fittings are SAE STANDARD unless otherwise indicated. Grease non-sealed fittings
until grease is seen extruding from the fitting.
Over lubrication on non-sealed fittings will not harm the fittings or components, but under
lubrication will definitely lead to a shorter lifetime.
Unless otherwise indicated, items not equipped with grease fittings (linkages, pins,
levers, etc.) should be lubricated with oil once a week. Motor oil, applied sparingly, will provide
the necessary lubrication and help prevent the formation of rust. An anti-seize compound may
be used if rust has not formed. Otherwise, the component must be cleaned first.
Grease fittings that are worn and will not hold the grease gun, or those that have a stuck check
ball, must be replaced.
To prevent minor irregularities from developing into serious conditions, the following other
services or checks are recommended for the same intervals as the periodic lubrication:
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