Exmark 4500-367 manual Pump Drive Belt Replacement, Belt Guide Adjustment

Maintenance

10. Re-install clevis pin and hairpin to secure brake band.

11. Engage the PTO lever.

12.Loosen the jam nuts and adjust linkage until the top of the idler arm is aligned with the bottom of notch on tension arm as shown in Figure 9.

Figure 9

1.Tension Arm

2.Loosen jam nuts

3.When PTO is engaged, align top of idler arm with bottom of notch on tension arm, as shown.

4.Idler Arm

13.Tighten jam nuts and disengage PTO lever. Re-engage PTO lever and check alignment.

14.Check and adjust belt guides as stated in Belt Guide Adjustment section.

Pump Drive Belt

Replacement

1.Stop engine, wait for all moving parts to stop, and remove key. Engage parking brake.

2.Remove PTO Belts. See PTO Belt Replacement section for removal instructions.

3.Pull spring idler or remove spring to relieve pump drive belt tension. Remove old belt.

4.Route new belt onto sheaves as shown in the decal located on the back of the left drive shield (see Figure 10).

		Figure 10
1.	Pump Drive Belt	4.	Pump
2.	Pump	5.	Idler
3.	Idler	6.	Engine

5.Reinstall PTO Belts as stated in the PTO Belt Replacement section

Belt Guide Adjustment

1.Stop engine, wait for all moving parts to stop, and remove key. Engage parking brake.

2.Engage PTO lever.

3.Adjust belt guides as shown in Figure 11.

Figure 11

1.	1/8 inch (3 mm)	4.	Rotate wireform guide to
			center belts in guide.
2.	7/16 inch (11 mm)	5.	1/4 inch (6 mm)
3.	1/8 inch (3 mm)	6.	5/16 inch (8 mm)
	Clearance

29