Have to know what you were doing to hand swing a cheiftain, not to mention a bit of a hercules. Shower of sparks, ie no impulse means the starter button would have to be depressed as it was being swung. Unless the starter lead was disconnected this wouldn't be advisable. If the bendix of the starter was already engaged, or stuck or damaged (depends what made it u/s in the first place) hand swinging would be near impossible
JS