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 TM 55-4920-426-13&P
4-17
ENGINE REPLACE Continued
4-17
2. INSTALLATION
Install oil cooler fan and pulley on engine shaft.
a.
Using a suitable lifting device position engine onto frame and secure with four bolts, flatwashers,
b.
Iockwashers and nuts.
Install H.P. pump coupling on engine output shaft.
c.
Install H.P. pump mounting base and secure with bolts and Iockwashers.
d.
Install V-belt onto the pulleys. Put tension on the alternator, tightening V-belts so that it can be
e.
deflected no more than approximately inch. Tighten the screw on the tension bar.
f.
Place the lifting device (chain, straps or equivalent) to the engine and the hydraulic oil cooler
housing. Lift and position the engine assembly over the test stand. Lower the engine onto the four
rubber mounts.
Install four bolts and Iockwashers through the frame and thread into rubber mounts. Tighten bolts.
g.
Remove lifting device.
Install H.P pump onto the mounting base. Engage the coupling to the coupling half extending from
h.
the engine.
i.
Secure H.P. pump with four bolts, flatwashers, Iockwashers and nuts.
Ensure the coupling halves are fully engaged, then tighten the setscrew on the coupling installed on
j.
the engine output shaft.
k.
Connect the fuel line to the fuel filter strainer.
l.
Connect the direct reading oil pressure gage line to the fitting on the engine.
m.
Connect the quick-disconnect electrical lead to the magneto.
n.
Secure the alternator electrical harness to the oil cooler housing using a clamp. Connect the alter-
nator quick-disconnect plug to the harness.
o.
Secure the lower pressure relief valve to the oil cooler housing. Install two bolts through
p.
Iockwashers, flatwashers, relief valve, spacers and thread into housing.
Install hydrualic line from oil cooler outlet fitting to the pressure relief valve.
q.
Install the hydraulic line from the inlet boost pump fitting to the tee adapter on the low pressure
r.
relief valve.
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4-16
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