105411-2100 ZEXEL 9 421 621 004 BOSCH GOVERNOR 9421621004 1054112100

1. Loosen bolt (2) on belt tightener bracket (1).2. Remove the belts from the idler pulley.3. Remove bolt (3) that holds the bracket to the engine cover. Remove the idler pulley and the bracket as a unit.Install Belt Tightener Idler Pulley
1. Put the pulley and bracket as a unit in position on the engine cover.2. Install the bolts loosely that hold the pulley and bracket to the engine cover.3. Install the belts on the pulleys and make belt adjustment so movement (deflection) is 7/8 in. (22.2 mm) under 25 lb. (110 N) force halfway between pulleys.4. Tighten the 5/8" diameter bolt on the belt tightener bracket to a torque of 75 10 lb.ft. (100 14 N m). Tighten the 1/2" diameter bolt to a torque of 40 5 lb.ft. (55 7 N m).Disassemble Belt Tightener Idler Pulley
start by: a) remove belt tightener idler pulley 1. Remove bolts (1) and cover (2). 2. Remove bolts (5) and washer (6) from bracket (3).3. Lift pulley (4) from the bracket. 4. Remove O-ring seal (7), bearing (11) and spacer (8) from the pulley.5. Remove spacer (10), lip type seal (12) and bearing (9) from the rear of the pulley.Assemble Belt Tightener Idler Pulley
1. Install the bearing in the rear of pulley (1) with tooling (A).2. Put 5P960 Multipurpose Grease on the lips of the seal. Install the lip type seal with the lip toward the rear surface of the pulley with tooling (B).3. Install the spacer in the pulley. Install the spacer in the O-ring seal until it makes contact with the bearing. 4. Install the spacer from the front side of the pulley. Install bearing (2) with tooling (A) in the pulley (1).5. Put O-ring seal (3) in position on the pulley. Put the pulley in position on pulley bracket shaft (4).6. Install the washer and the bolts that hold the pulley on the bracket. Install the cover and the bolts on the pulley.7. Fill pulley with 5P960 Multipurpose Grease.end by:a) install belt tightener idler pulley