Meyer 8865, 8720 Adjustments, Front Drive Roller Chains, First Chain Drive, Second Chain Drive

ADJUSTMENTS

WARNING: DISCONNECT PTO DRIVE SHAFT AND HYDRAULIC HOSES (RELIEVE HYDRAULIC PRESSURE) BEFORE CLEANING, ADJUSTING, LUBRICATING OR SERVICING THIS SPREADER. FAILURE TO HEED MAY RESULT IN SERIOUS PERSONAL INJURY OR DEATH.

FRONT DRIVE ROLLER CHAINS

There are six roller chain drives located at the front of the spreader. Regularly check that all tensioning springs are in serviceable condition for automatic roller chain tightening. Manually adjust spring tensioners (as needed) by turning double locknuts on all tensioning bolt/idler assemblies. Proper roller chain tension is when 1/4" to ½" deflection occurs on the slack side of the chain. Regularly re-check all roller chain tensions. Keep all roller chains tight at all times! For clarity purposes, the following illustrations detail each roller chain reduction separately.

NOTE: The side bars of the roller chains will wear into the idler nylon rollers up to the rollers of the roller chain forming grooves. These grooves will serve as a guide when the roller chain loosens due to normal use. From this point on, after tightening, the idler nylon rollers should run for hundreds of hours without any noticeable wear.

RH TOP	IDLER NYLON
SPROCKET

ROLLER

CHAIN

The first chain drive (PTO input shaft to the large RH top sprocket, figure 8) is automatically tensioned by a spring loaded idler nylon roller. The extension spring should extend 2” from its neutral 5” total length.

Manual adjustment for the automatic tensioning idler, nylon roller assembly is located at the left rear of the spreader’s front bearing mounting plate.

PTO	SPRING LOADED
INPUT
	ADJUSTER

FIGURE 8. FIRST CHAIN DRIVE

LH TOP SPROCKET

ROLLER CHAIN

IDLER NYLON

ROLLER

SPRING LOADED

ADJUSTER

FIGURE 7. SECOND CHAIN DRIVE

The second chain drive (large RH top sprocket to the large LH top sprocket, figure 7) is automatically tensioned by a spring loaded idler nylon roller. The extension spring should extend 2“ from its neutral 5" total length.

Manual adjustment for the automatic tensioning idler, nylon roller assembly is located at the left rear of the spreader’s front bearing mounting plate.

Model 8720/8865 -17-