Operating instructions

3-1
SECTION III
SPECIAL TOOLS AND EQUIPMENT
3-1. It is advisable to have an engine
transportation stand (Figure 3-4) on which the
engine can be inverted so certain parts can be
removed or installed easily.
3-2. The tool in Figure 3-1 is used for installing
the needle bearing in the starter adapter. This tool
can be manufactured locally in accordance with the
dimensions specified.
3-3. For replacing an outer sleeve on the ignition
harness, use a Thomas and Betts Crimping Tool,
No. WT-217.
3-4. For removing and replacing crankshaft blade
and counterweight bushings use Borrough’s Tool
No. 4965.
NOTE
Special tools for Aircraft Engine in
general and the IO-520 in particular can
be purchased from the Borrough’s Tool
and Equipment Corporation 2429 North
Burdick Street, Kalamazoo, Michigan
49007.
FIGURE 3-1. STARTER ADAPTER BEARING INSTALLER
FIGURE 3-2. CRANKSHAFT BLADE AND DAMPENER FIGURE 3-3. PISTON RING COMPRESSOR,
BUSHING REMOVER AND REPLACER BORROUGHS NO. 5201