Yard Machines MTD1640NAVCC manual Operating Instructions, Engine PRE-START Checks, To Start Engine

5 - OPERATING INSTRUCTIONS

5-1. ENGINE PRE-START CHECKS

WARNING

Never start or operate the saw unless the bar and chain are properly installed.

1.Fill the fuel tank (A-red cap) with correct fuel mixture (Figure 5-1A).

2.Fill the oil tank (B-black cap) with correct chain and bar oil (Figure 5-1A).

3.Be certain the CHAIN BRAKE® is disengaged (C) before starting unit (Figure 5-1A).

NOTE: See page 9 Fig. 3-5A & 3-5B.

C A

B

5-1A

5-2. TO START ENGINE

1.Press red STOP switch to the “I” ON position for start- ing (Figure 5-2A).

2.Pull the choke (A) out as far as it will go until the choke stays out. (Figure 5-2B). This advances the throttle so you do not have to hold trigger while starting.

3.Push the primer bulb (B) 10 times (Figure 5-2C).

4.Place saw on a firm flat surface. Hold saw firmly as shown (Figure 5-2D).

5.After pulling rope 4 times, move choke lever (G) all the way in (Figure 5-2E).

6.Hold saw firmly and pull rope until saw starts-perhaps 4 more pulls.

7.Warm up for 30 seconds. Depress the safety latch and squeeze and release the

throttle trigger (H) for idle (Figure 5-2F).

8.If engine failed to start, repeat these instructions.

IMPORTANT IDLING INFORMATION

In some cases due to operating conditions (altitude, tem- perature etc.) your chain saw may need a slight adjustment to the idle speed.

After warm up - See the User's Manual section 5-2, step 7

-If unit does not Idle after restarting 2 times, follow these steps to adjust idle.

1.Idle adjustment access (J). (Figure 5-2G)

2.Using a Phillips or slotted screwdriver - turn screw 1/4 to 1/2 turn clockwise (to the right). Unit should then idle properly. (Figure 5-2H)

NOTE: If chain turns while idling - turn screw back to the left until chain stops and unit continues to idle.

5-2A

B

A

5-2B5-2C

5-2D

H

G

5-2E5-2F

J

5-2G5-2H

10