26 PM-000251 - Operator’s Manual - PDD-PD50 - June 2022
11 Operating Instructions
Cold Weather Startup Information
The information that is contained on this page is an aid to the operation and maintenance of your Digga planetary
drive unit in cold weather. When you operate the host machine in temperatures from 9°C (48°F) to −40°C
(−40°F) refer to the operation and maintenance manual of your machine. It is dicult to outline the operation
and maintenance of a machine that is used in freezing temperatures for a general publication. The diculty in
outlining the requirements is caused by the following conditions:
• The unlimited dierences in weather conditions
• Applications and ground conditions
• Supplies that are available in your area
In order to provide the best possible guidelines, use the information provided in this manual and other criteria
such as: varying factors, recommendations from your machinery dealer, and past proven practices.
Hints for Cold Weather
Make sure that you read the information for selecting the correct oils for use in cold weather. For details refer to
the Maintenance section of this manual. Prepare the machine for the weather conditions as instructed in your
machines operator’s manual.
Procedure for Startup in Cold Weather
• Your Digga Planetary drive unit is designed to operate within ambient temperatures of 5°C (41°F) and
30°C (86°F).
• For temperatures below 5°C (41°F) it is recommended to slowly start the drive under no load, at minimum
speed. This will allow warm hydraulic oil from your host machine to circulate through the hydraulic motor
of your drive and slowly bring it to the minimum recommended operating temperature.
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