153556-2000 ZEXEL 9 421 621 397 BOSCH BRACKET 9421621397 1535562000 1157291250

(1) Governor front housing.(2) Joint face between front housing and rear housing.(3) Governor rear housing.(4) Dashpot spring (7C4466). Color code ... one dark green stripeRate test:a. Put a load on spring of ... 20 N (4.5 lb)b. Compress spring an additional ... 5 mm (.197 in)c. Total test force ... 50.0 1.5 N (11.25 .34 lb)d. Free length after test ... 39.5 mm (1.555 in)(5) Tighten 8 bolts to a torque of ... 10 1 N m (90 9 lb in)(6) Shims. Install shims as required to provide dimension (A) between joint face (2) of governor housing and riser groove. Refer to Disassembly and Assembly Section of this Service Manual, for the correct tools and procedure to check dimension (A).Dimension (A) ... 20.00 0.08 mm (.787 .003 in)(7) Riser.(8) Riser lever swivel.(9) Spring group (9Y4027) Inner spring (9Y2589) ... Low idle springColor code ... one violet stripe, one dark blue stripeRate test:a. Put a load on spring of ... 60 N (13.5 lb)b. Compress spring an additional ... 10 mm (.394 in)c. Total test force ... 130.0 2.6 N (29.25 .6 lb)d. Free length after test ... 47.02 0.50 mm (1.851 .02 in)Outer spring (9Y4028) ... High idle springColor code ... one red stripe, one light blue stripeRate test:a. Put a load on spring of ... 100 N (22.5 lb)b. Compress spring an additional ... 10 mm (.394 in)c. Total test force ... 252.0 4.8 N (56.7 1.1 lb)d. Free length after test ... 62.31 0.50 mm (2.453 .02 in)(10) Shims. Install shims as required to provide the correct governor spring preload dimension. Refer to the Diassembly and Assembly Section of this Service Manual, for the correct tools and procedure to check the governor spring preload dimension.
View Into Rear Housing(11) Torque lever.
View A-A(12) Throttle spring (7W9526) (part of governor front housing assembly). Type ... torsionalRate per 360° ... 1.054 N m (9.38 lb in)Preload in assembled position ... 270°(13) Torque cam.
View B-B(8) Riser lever swivel.(11) Torque lever.(13) Torque cam.(15) Torque cam setscrew. Refer to the Disassembly And Assembly Section of this Service Manual, for the complete procedure for setting torque cam. The 1U7310 Torque Cam Adjustment Tool (part of 1U7315 Governor Disassembly And Assembly Tool Group) is required to check/adjust the torque cam.