MacDon M Series - Priming Hydraulic System on an M155

ASSEMBLING THE W INDROWER
4. Remove the hex s ocket screw (A) using a 4 mm hex
key, and remove the engine control module (ECM)
connector (B) from the engine. This will prevent the
engine from starting during cranking.
CAUTION
Check to be sure a ll bystanders have cleared t he area.
5. Prime the s ystem by cranking the engine with th e
starter for 15 seconds.
6. Reinstall the ECM connector (B) using a hex socket
screw (A).
7. Reconnect the brake engage solenoid plug (P44).
8. Chec k hydraulic oil level in reservoir (add SAE 15W-40
oil if necessary). Refer to 5.5 Chec kin g Hyd rau lic Oil,
page 327.
9. Close the left-hand (cab-forward) platform.
Figure 3.112: Engine Control Module (ECM)
Connector
3.14.2 Priming Hydraulic System on an M155
1. Shut down t he e ng ine, and remove the key from
the ignition.
2. Remove the hydraulic oil reservoir filler
cap/dipstick (A).
3. Open the engine compartment hood to the highest
position. For instructions, refer to the w indrower
operator’s manual or the windrower technical manual.
Figure 3.113: Filler Cap/Dipstick
147962 76 Revision A