Gardner Denver C2500Q QUINTUPLEX, Operating And Service Manual

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Page 33
SECTION 6
REBUILDING DATA, RECOMMENDED RUNNING CLEARANCES AND
TORQUES
REBUILDING DATA FOR C-2500 PUMP (in.)
PUMP STROKE 8 Inches
Crankshaft Throw Diameter............................................... 7.251” / 7.249”
Crankshaft Shaft Diameter at Main Bearing ...................... 16.002” / 16.001”
Distance Between Main Bearing Centers........................... 12.00”
Bore in Frame for Main Bearings....................................... 19.750” / 19.752”
Bore in Frame for Pinion Bearing Housing ....................... 12.501” / 12.502”
Connecting Rod Centers ................................................... 12.0
0
Connecting Rod Bearing Bore (Assembled in
Bearing Housing) ................................................. 7.266” / 7.268”
Crosshead Guide Bore ...................................................... 9.874” / 9.872”
Crosshead OD ................................................................. 9.858” / 9.856”
Wristpin Dia………………………………………………………2.500” / 2.499”
Wristpin Bushing Bore………………………………………… 2.508” / 2.509”
RECOMMENDED RUNNING CLEARANCES – ACTUAL
New (in.) Maximum Allowable
Wear Limit (in.)
Connecting Rod Bearing to Crankshaft.............................. ..015” / .019”................. 025”
Crosshead Knuckle to Thrust Bearing…………………………0005” / .0020”………….006”
Wrist Pin to Bearing……………………………………………..008” / .010” …………….020”
Main Bearing Installed Clearance*..................................... .002” / .012”.................. .019”
Main Bearing Bench Clearance*........................................ . 011” / .013”................. . 028” / .033”
Crosshead to Guide* ......................................................... . 014” / .018”................. . 045”
Crankshaft Endplay ........................................................... . 005” / .015”................. . 030”
Pinion Float prior to gear installation…………………………..1/4” to 3/8”
* Feeler gauge clearances .001 inch less than actual values.