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Oil Pan - TM-5-4210-230-14P-1_684
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Fig. 139 Checking Camshaft End Play
ENGINE DIVISION SERVICE MANUAL TM 5-4210-230-14&P-1 ENGINE coolant directed to the radiator is modulated by the thermostat that  opens  the  outlet  to  the  radiator  and  reduces  the  orifice size of the coolant bypass.  Figure 136. Secondary   cooling   systems   include   the   engine   oil cooler, chassis heater and air compressor. The  oil  cooler  is  mounted  at  the  lower  left  corner  of the    crankcase.        The    coolant    flows    from    the    left    bank crankcase water jacket through the cooler and into crankcase inlet area.  The amount of coolant flowing through the cooler is metered by the diameter of the outlet hole on the oil cooler housing. Coolant for the air compressor is tapped off the front of    the    cylinder    head,    left    bank,    flows    through    the    air compressor and back into the crankcase coolant inlet casting. Coolant  for  the  chassis  heater  is  picked  up  off  the rear of the right cylinder head and returned to the suction side of the coolant pump. The   centrifugal   water   pump   is   serviced   only   as   a complete assembly, Figure 137. Fig. 137 Section View of Water Pump Assembly 1.  Bearing assembly 4.  Housing 2.  Pulley hub 5.  Impeller 3.  Seal Engine Assembly 1. With   the   cylinder   block   attached   to   the   engine   repair stand,  turn  the  block  on  the  stand  so  the  bottom  faces upward.    Make  sure  the  drain  plugs  are  installed  in  the cylinder block if they have been removed. 2. Coat   the   camshaft   lobes,   bearing   surfaces,   gears   and bores with engine oil. 3. Install camshaft into bore with fuel pump cam, distributor drive  gear,  camshaft  gear  and  thrust  flange  installed  on shaft. NOTE: If gears and fuel pump cam have been removed, use  SE-1880  installer  and  SE-1880-2  adapter  to  install camshaft,  Figure  138.    This  will  help  prevent  nicking  or other     damage     to     the     camshaft     bearings.          Install distributor drive gear, fuel pump cam and camshaft gear as outlined under Camshaft Engine Overhaul. Fig.  138  Use  of  SE-1880  Camshaft  Installer  and  SE-188G-2 Adapter 1.  Camshaft 2.  Installer 4. Install   two   bolts   and   lockwashers   in   camshaft   thrust flange,  working  through  the  holes  in  the  camshaft  gear. See "Torque Chart" for proper torque. 5. With the use of a dial indicator, check the camshaft end play,  Figure  139.    See  "Specifications."  If-the  end  play exceeds the limits, replace the camshaft thrust flange. CGES-210  Page 56 PRINTED IN UNITED STATES OF AMERICA

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