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7.7.5 Starting air valve - assemble..........................................282

7.7.6 Starting air valve - install............................................. 284

7.7.7 Starting air valve - install the solenoid valve.............................286

7.8 Relief valve combustion chamber

7.8.1 Relief valve combustion chamber - remove............................. 288

7.8.2 Relief valve combustion chamber - install...............................290

7.9 Exhaust valve

7.9.1 Exhaust valve - remove.............................................. 292

7.9.2 Exhaust valve - disassemble..........................................296

7.9.3 Exhaust valve - remove the seat (with new tool)......................... 300

7.9.4 Exhaust valve - do a check of the seat................................. 304

7.9.5 Exhaust valve - grind the seat.........................................308

7.9.6 Exhaust valve - install the seat (with new tool)...........................310

7.9.7 Exhaust valve - assemble............................................ 314

7.9.8 Exhaust valve - install................................................322

7.10 Pilot injection valve

7.10.1 Pilot injection valve - remove..........................................326

7.10.2 Pilot injection valve - remove the injection module....................... 330

7.10.3 Pilot injection valve - install the injection module.........................332

7.10.4 Pilot injection valve - do a functional test................................336

7.10.5 Pilot injection valve - remove the pre-chamber...........................340

7.10.6 Pilot injection valve - install the pre-chamber............................342

7.10.7 Pilot injection valve - install........................................... 344

X72DF

Maintenance Manual

Winterthur Gas & Diesel Ltd.

- 164 - Issue 002 2020-10

WinGD X62DF User Manual

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