Torque and Tolerance
Number of cylinders ........................................... 1
Component
(pound-feet)
Bore ............................................................. 24 in.
Stroke ........................................................... 2 in.
Compression ratio ............................................. :1
st
Horsepower (at 3,600 r.p.m.) ..........................1%
1 stage cap ..................................... 17 to 22
(6)
Frame.
pound inches
st
Length ....................................................... 21%in.
1 stage seat (max.) ............................... 100
Height ........................................................ 18%in.
pound inches
Width ........................................................ 16% in.
2d stage head.................................. 60 to 65
b
Recommended Wrench Torques and Tolerances.
pound inches
3d stage head.................................. 60 to 65
Torque and Tolerance
pound inches
Component
(pound-feet)
Bolts, crankcase to adapter ........................ 5 to 7
Oil pump:
Screws, attachment .............................. 2 to 3
Overall unit:
Retainer, pump spring .......................... 3 to 5
Screw, adapter shaft to engine......................... 20
Retainer, strainer .................................. 3 to 5
Bolt, compressor adapter ............................ 7 to 8
Plug, piston pin port ................................ 17 to 21
engine.
Plug, sump drain port.............................. 33 to 42
Nut, fan............................................................. 17
Plug, lower crankcase................................. 4 to 5
Nut, flared tube............................................ 3 to 5
Screw, spring attachment .............................. to 6
Screw, fan guard bracket ........................... 4 to 5
Screw, 1st stage head valving ........................... 8
Screw, fan guard ......................................... 3 to 4
(max.).
1st stage intercooler nuts ........................... 3 to 5
Aftercooler nuts ........................................... 3 to 5
c
Fits and TolerancesListed
below
are
the
2nd stage intercooler nuts .............................. to 5
manufacturer's assembly clearances and tolerances.
Nut, large clamp .......................................... 4 to 5
Nut, short clamp .......................................... 4 to 5
Description
Clearance and Tolerance (in)
Bolts, compressor flange to........................ 8 to 9
Head clearance, compressor group:
gasoline engine.
st
Bolts, clip angles to gasoline ....................... 5 to 7
1 stage ...................................... 036 to .040
engine.
2d stage....................................... 028 to .032
Bolts, gasoline engine to ............................. 5 to 7
3d stage....................................... 028 to .032
lower frame.
Diametral clearance, compressor group:
Bolts, fuel tank assembly to ....................... 5 to 7
Plunger to cylinder, 3d stage00015 to .00025
lower frame.
Plunger to cylinder, 2d stage . 0018 to .00029
Water separator:
Piston to cylinder, 1st stage..... 0023 to .0036
Relief valve fitting ............................................... 2
Piston pin to piston, 1st stage . 0000 to .0005
Valve, relief.................................................. 3 to 5
Piston pin, 1st stage to ............ 0006 to .0012
Valve, Cap........................................................ 17
keystone.
Nut, elbow ............................................... 11 to 13
Keystone to crankshaft ............ 0007 to .0012
2nd stage relief valve:
Crankshaft to crankcase ....... .0010 to .0025
Retainer, seat .......................................................
bushing.
Compressor group:
Crankshaft to gerotor .................... 0005 to .0015
Stage screws:
Crankshaft to backup ring .............. 0050 to .0065
1st stage head .................................. 30 to 35
Side clearance, compressor group:
pound inches
Gerotor ............................................... 001 to .002
Piston pin, 1st stage.............................. 002 max.
(end play).
AGO 5548A
4
