175 Amp Mega Fuse Replacement (Primary Battery-Diesel)

175 Amp Mega Fuse Replacement (Primary Battery-Diesel)

Removal Procedure




1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (Single Battery) (Service and Repair)Battery Negative Cable Disconnection and Connection (TP2) (Service and Repair).
2. Remove the mega-fuse block protective cover (1) on the fuse block and loosen the clamp nut (2) on the battery post.
3. Remove the 175 amp mega-fuse block nuts (3) from the mega-fuse holder (10).
4. Remove the battery positive cable (4), the generator battery jumper cable (5), the intake air heater cable (6), the battery positive junction block cable (7), the auxiliary battery positive cable (8), and the starter solenoid cable (9).




5. Remove the mega-fuse block nuts (1).
6. Remove the battery positive and generator jumper mega-fuse (2).
7. Remove the intake air heater mega-fuse (3).
8. Remove the battery positive junction block cable mega-fuse (4).

Installation Procedure




1. Install the battery positive and the generator jumper mega-fuse (2).
2. Install the intake air heater mega-fuse (3).
3. Install the battery positive junction block cable mega-fuse (4).

Caution: Refer to Fastener Caution (Fastener Caution).

4. Install the mega-fuse retaining nuts (1) to the fuse block and tighten to 9 Nm (80 lb in).




5. Install the battery positive cable (4), the generator battery jumper cable (5), the intake air heater cable (6), the battery positive junction block cable (7), the battery positive cable (8), and the starter solenoid cable (9).
6. Install the fuse block retaining nuts (3) and tighten to 9 Nm (80 lb in)
7. Tighten the battery positive clamp nut (2) to 9 Nm (80 lb in)
8. Install the mega-fuse block cover (1).
9. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (Single Battery) (Service and Repair)Battery Negative Cable Disconnection and Connection (TP2) (Service and Repair).