To Remove Engine And Support Assembly-Mark Xx 399 And 439 Only; To Remove Gas Tank - AMF 1970 SKI-DADDLER SD15M21 A Parts And Service Manual

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SERVICE AND REPAIR
I~
• Remove the bolts and washers securing the
engine base and mounting straps to the engine.
NOTE: During reassembly, the mounting strap and
engine base must be secured to the engine before
installing the engine on the sled. Apply Loc- Tite
to the bolt threads.
• Installation procedures are the reverse of re-
moval.
To Remove Engine and Support Assembly-
Mark XX 399 and 439 only
• Remove the hood and headlight assembly. Refer
to Hood Removal and Installation.
Always disconnect the sparkplugwires
before working on the engine or drive
elements.
• Remove the drive clutch. Refer to paragraph
To Remove Drive Clutch.
NOTE: Figure 7, Illustrated Parts List section of
this manual contains a detailed exploded view of the
engine and support assembly showing all attaching
hardware. For engine maintenance instructions,
refer to the engine manual.
• Release the springs securing the muffler exhaust
tubes to the engine exhaust manifold and release the
exhaust tubes.
• Disconnect the throttle control cable at the
throttle actuator and remove the carburetors as
described in paragraph To Remove Carburetor.
• Remove the bolts securing the muffler bracket
to the engine. Remove locknut that secures the heat
shield and engine mounting strap to the main frame
and remove the heat shield and muffler.
• Disconnect the engine wiring harness at the
engine.
• Remove the locknuts, spacers and washers se-
curing the engine mounting straps to the main frame.
Remove the engine, engine base and mounting
straps as a unit. During reassembly, tighten the
locknuts sufficiently to allow a 5/16-inch clearance
as shown in figure 12.
NOTE: Do not remove the carriage bolts, shock
mounts or bushings unless necessary for replace-
ment.
J2
• Remove the bolts and washers securing the
engine base and mounting straps to the engine.
During reassembly, apply Loc-Tite to the bolt
threads.
• Installation is the reverse of removal. NOTE:
When replacing the engine, remove the starter
cover plate from the new engine to permit installa-
tion of the muffler bracket.
To 'Remove Gas Tank
• Remove the hood and headlight assembly. Refer
to Hood Removal and Installation.
Always disconnect spark plug wires
before working on the engine or drive
elements.
• Check gas cap and indicator assembly to be cer-
tain tank is empty, or nearly empty.
• Remove the gas cap and indicator assembly (1,
figure 13).
• Remove the bolts (3) and washers securing the
gas spill chute (2) to the main frame and remove
the gas-spill chute.
• Disconnect the tank-to-carburetor gas line (6)
at the gas tankoutletfitting (5). Wipe up any spilled
gasoline immediately.
Figure J3
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