Draining hydraulic oil, Changing hydraulic oil filters, Danger – MacDon M155 Operators Manual User Manual
Page 378
Draining Hydraulic Oil
DANGER
Stop engine and remove key from ignition before
leaving operator's seat for any reason. A child or
even a pet could engage an idling machine.
NOTE:
Change hydraulic oil every 1500 hours.
1. Park windrower on level ground and lower header and
reel so that lift cylinders are fully retracted.
2. Stop the engine and remove the key.
3. Open the hood. Refer to
4. Place a clean container (at least 20 U.S gallons [75
liters]) under drain at the bottom of the hydraulic
reservoir to collect the oil.
5. Remove drain plug (A) and allow oil to drain.
6. Clean off any metal debris that may have accumulated
on magnetic plug.
Wipe plug with a clean cloth.
Check O-ring condition. Look for cracking, breakage,
or deformation that may impede sealing ability and
replace as required.
7. Install drain plug (A).
8. Fill hydraulic oil reservoir. Refer to
Figure 5.195: Hydraulic Oil Drain Plug
Changing Hydraulic Oil Filters
The charge filter (A) and return filter (B) are located just
inside the frame on the left side and are accessible from
under the windrower. Change as follows:
NOTE:
Change hydraulic oil filters after the first 50 hours
of operation, and every 500 hours thereafter.
Filter (A) MD #112419 and filter (B) MD #151975
can be obtained from your Dealer.
Figure 5.196: Hydraulic Oil Filters
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Revision A