Constant-speed throttle removal and installation

AR01.50-D-1000AD

Constant-speed throttle removal and installation

7.7.08

 

Remove/install

1

Remove cylinder head

AR01.30-D-5800AD

2

Remove nozzle holder combinations

AR07.03-D-6831AD

3

Remove cap (1) on cylinder head

 Installation: Replace O-ring (2).

4

Insert a suitable spacer (11) between valve disk and base

 Height of spacer (11)
about 5.3 mm.

5

Use pliers (12) to remove piston (4)

 Installation: Check piston (4) for damage; replace piston (4) as required.
Replace compression ring (3). Coat piston (4) and seal ring (3) with engine oil and install.



*442589003700

6

Compress spring (7) with spring disk compressor (13) and take out collets (5) with magnetic pin (15) and relieve spring (7)

 Installation: The valve locks (5) must engage.



*210589004000



*442589056300

7

Remove spring cup above (6), spring (7) and spring cup below (8)

8

Turn cylinder head and pull out valve (9)

 Mark valves relative to the installation location when removing a number of valves (9).

 Installation: Coat valve stem (9) lightly with engine oil, push in valve (9) and lay spacer (11) under valve disk.

Observe marking to installation location.

9

Install in the reverse order