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Installation Guidelines For Allison M & MH Marine Transmissions
Pre-Installation Checklist for Allison M & MH Marine Transmissions
1. Confirm Model Compatibility
2. Inspect the Transmission
3. Gather Necessary Tools and Materials
4. Prepare the Workspace
Mounting Procedures for Allison M & MH Marine Transmissions
1. Lifting the Transmission
2. Engine Coupling
3. Mounting the Transmission
4. Foot Mount Adjustments (if applicable)
Alignment With Engine and Shaft for Allison M & MH Marine Transmissions
1. Initial Engine-to-Transmission Alignment
2. Propeller Shaft Alignment
3. Confirming Parallelism and Angular Alignment
4. Final Tightening
Fastener Torque Specifications for Allison M & MH Marine Transmissions
Bell Housing Bolts (Grade 8 Bolts)
Output Coupling Bolts
Transmission Mounting Bolts to Base
Oil Pan or Filt
er Housing Bolts
Sealing Surfaces and Gasket Preparation for Allison M & MH Marine Transmissions
1. Clean All Sealing Surfaces
2. Inspect for Damage
3. Selecting Gaskets and Sealants
4. Sealing Threaded Connections
5. Oil Seals and Shaft Seals
6. Leak Testing
Final Notes on Installation for Allison M & MH Marine Transmissions
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2. Preventing Breakdowns Before They Happen
Introduction: Why This Guide Matters
1. The #1 Reason Tugboat Operators Overpay for Parts
The Smart Alternative: Premium Aftermarket Parts
2. How to Cut Fleet Maintenance Costs Without Sacrificing Reliability
Stock High-Wear Replacement Parts in Advance
Step 1: Plan Ahead for Fast Part Replacement
Next Steps: How Much Can Your Fleet Save?