Next installed the pre-assembled gas tank and heat deflector by slipping the bottom portion thru the bolts that were installed toward the bottom of the frame and have left loose. Then I installed the upper bolts with lock washers and flat washers. The gas line was threaded thru the rubber grommet thru the heat defector and connected to the fuel shut off valve with a hose clamp. I had to buy additional fuel line. It's not shown, but I did file the coating away from the left side nut which is welded into the frame. Used a star washer on both sides of the ground eyelet from the wire harness and pinched it between the nut and heat shield.
Ran the throttle and choke cable thru the slotted hole on the left side of the heat deflector. Decided not to cut the choke cable and ran it thru a lower existing hole in the heat deflector so as to take up most of the unneeded slack. Hooked the choke wire to the choke plate on the engine and clamped it down. Checked what the throttle wire will do by moving the handle and seeing which way the wire will move during movement. Looked at the throttle hook up plate on the engine and seen which hole it goes in. Made sure the throttle handle on the dash was in the idle position, took slack out of engine spring by rotating the pivot until it was just going to pull the governor arm. Marked and cut the shielding on the throttle cable with a hacksaw and used two pliers to twist and break the winding. Cut and bent the wire to length and hooked up the wire to the throttle plate and tightened down the clamp.
Didn't bolt down the engine plate to the tractor plate but left the bolts in so when the engine was running it would vibrate and find it's own alignment for the drive shaft. Filled the crank case with full synthetic 10W-30 Valvoline oil. Put gas in the tank and opened the valve under the tank. Hooked up the positive and negative terminals on the battery. The tractor rear was jacked up sitting on jack stands. Pulled the choke, set throttle lever just enough to open the throttle plate, put the key in, turn the ignition to start and waited 15 seconds for the fuel pump to pump the gas to the carburetor and then it started! Let it warm up and find it's alignment. Shut ignition off and continued to put loctite on the 4 mounting bolts and tighten the engine down.
Checked high speed RPM and idle. The engine idles about 1700 RPM. Looking thru the Vanguard manual it should idle 1440 RPM. I tried adjusting the idle screw with no luck as the screw moved away from the throttle plate linkage. Moving the small plate and linkage to the screw resulted in very rough idle and dipped the RPM's way down. Decided to leave the low RPM alone since it runs great without shaking or vibrating at that speed.
Continued to adjust the hydrostatic drive per the manual, running the tractor on jack stands and moved the plate into position by using a small piece of wood. Then turning the engine off and tightening down the two bolts. Did the fine adjustment on the rod after starting the engine by listening for the hydrostatic pump to stop wining. Next, checked to make sure the clutch pedal worked and returned the drive to neutral. Next checked full range of movement with the dash handle both forward and reverse. Shut engine off and used a similar tool in the manual to check the friction disc setting and adjusted accordingly. Started engine and double checked the neutral position. Worked the hydraulic lift levers a few times to purge air from the system and turned the power steering to both extremes a few times to help purge air out of that system. Shut engine off. Removed jack stands, checked hydraulic fluid in transmission and topped it off with Hytran.
NOTES: Ended up removing the old short cable from my old handle. Removed new cable from new handle. Installed new cable on old handle and installed old handle in tractor due to the new handle not being able to stay at full throttle. (kept sliding down). This resulted in installing the new cable end in the position shown on engine. New supplied handle would have been the opposite hole on other side of pivot point. It's better to use the old handle. Left tractor wire harness wires same length if wanting to install original engine. Left choke cable length for same reason. Moved transmission linkage near frame to keep it away from fan. Cut off choke handle; catching on valve cover and air cleaner cover not allowing full degree of choke plate.