Mercury 200 OptiMax Jet Drive Service Manual page 390

• Position the rod from the dial indicator on the center mark "II" of the backlash indicator rod.
Backlash Indicator Rod
Dial Indicator
Thread Extending Kit
12. Rotate the pinion shaft back and forth lightly to contact the gear teeth in each direction.–
NOTE: Average total amount of reading of indicator backlash specification is 0.18–0.23 mm (0.007–0.009 in.).
Pinion Shaft Gear
Backlash
• If the reading is less than minimum, add shims between the impeller cover and drive housing.
• If the reading is more than maximum, remove shims between the impeller cover and drive housing.
• Ratio of backlash reading to shims is 1:1.
13. Remove the backlash indicator rod from the pinion shaft.
14. Remove the dial indicator kit, adapter kit, and thread extending kit.
15. Remove the stator and remove the impeller shaft preload tool.
Final Assembly
1. Install the impeller, wear ring, and stator. Fill the stator housing with High Performance Gear Lubricant. Refer to Impeller and
Stator Installation.
2. Apply Loctite 598 RTV Sealant on the ride plate. Install the ride plate. Apply Loctite 242 Threadlocker to threads of bolts.
Tighten the bolts to the specified torque.
3. Install the nozzle/reverse gate assembly and anode. Apply Loctite 271 Threadlocker to threads of the bolts. Tighten the bolts
to the specified torque.
4. Remove the fill and vent screws from the bottom of the drive housing. Fill the housing with High Performance Gear Lubricant.
Refer to Filling the Drive Housing.
90-8M0050731 MAY 2011
45290
91‑ 53459
91‑ 58222A 1
91‑824869A 1
0.18–0.23 mm (0.007–0.009 in.)
Pump Unit
Page 5A-41