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5)
Start the filter caddy. Check to be sure oil
is flowing through the filters.
Operate filter caddy approximately 10
minutes so oil in hydraulic oil tank is circulated
through filter a minimum of four times.
※
Hydraulic oil tank capacity 115ℓ(30.4U.S.
gal).
Leave filter caddy operating for the next
steps.
6)
Start the engine and run it at high idle.
※
For the most effective results, cleaning
procedure must start with the smallest
capacity circuit then proceed to the next
largest capacity circuit.
7)
Operate all functions, one at a time, through
a complete cycle. Also include all auxiliary
hydraulic functions.
Repeat procedure until the total system
capacity has circulated through filter caddy
seven times, approximately 30 minutes.
Each function must go through a minimum
of three complete cycles for a through
cleaning for oil.
※
Filtering time for machines with auxiliary
hydraulic functions must be increased
because system capacity is larger.
8)
Stop the engine. Remove the filter caddy.
9)
Install a new return filter element.
10)
Check oil level in hydraulic oil tank ; Add oil
if necessary.
5-18
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