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QT-7.5 Air Master

Quincy  Compressor

50121M201, May 2001

19

3501 Wismann Lane, Quincy IL 62305-3116

TYPICAL  UNIT  REPAIR  PARTS  LIST

(QT-7.5 diesel engine driven)

Part

Part

Part

Qty Number

Number

Number

Description

base  unit

tank  unit

1

113727-200

tank  (200  p.s.i.)

1

113764

top  plate

1

111136-025

tank  drain  valve

1

111136-050

ball  valve

1

110514-300

pressure  gauge

1

110513-200

pressure  relief  valve  (200  p.s.i.)

2

110258B070

110258B070

drive  belt

1

114212

114212

engine  pulley

1

8927

8927

engine  pulley  bushing

1

113702K010

113702K010

belt  guard  assembly

1

113143-001

113143-001

throttle  control

1

114080-001

114080

Yanmar  engine  group,  10  h.p.  (includes  throttle  control)

2.5  ft.

110515-075

discharge  tube  (3/4"  copper  tube  to  be  formed  by  customer)

2

110948-075

tube  fitting,  nut  with  sleeve

1

111089-215

pressure  relief  valve  (in  discharge  line;  215  p.s.i.)

1

110921-177

check  valve  (discharge  line)

1

113708-175

113708-175

pilot  (165-175  p.s.i.)

!  Pre-formed  discharge  tubes  are  available.  Contact  factory  with  model  &  tank  size  information.

!

The  parts  listed  here  are  for  standard  QT-7.5  (up  to  175  p.s.i.)  units  and  may  or  may  not  be  applicable  to  custom  built  units.  Check  with

your  local  authorized  AirMaster  Distributor  for  parts  that  can  be  used  for  custom  built  units.  Make  sure  the  components  you  order  are  rated

within  the  safe  operating  limits  of  your  system.  If  you  are  doubtful  about  which  components  to  order,  contact  your  local  AirMaster

Distributor.

Summary of Contents for Air Master QT Series

Page 1: ...erate and or maintain this product Carefully read this manual before attempting to operate or perform maintenance on this compressor Fill Out Return Warranty Registration Card Located Inside Manual No...

Page 2: ...cement kits Changedtankdrainvalvefromcableoperatedtoballvalve operated Changedthrottlecontrolonenginedrivenunitstobullwhip cable style Changed Kohler engine driven base units from head unloader style...

Page 3: ...ompressor in the corre sponding spaces provided here and reference this page when ordering replacement parts All replacement parts are to be ordered through an authorized Quincy Compressor Distributor...

Page 4: ...assembly includes items 2 3 4 2 1 113602 002 crankshaft N S S order 113602X002 3 1 111107 ball bearing 4 1 111780 ball bearing 5 1 113944 sheave 14 16 o d 1 groove B section CCW rotation OR 5 1 113944...

Page 5: ...40 002 crankcase 2 1 2276 pipe plug 3 4 npt 3 2 2057 pipe plug 1 2 npt 4 1 113736 050 sight glass 1 2 npt 5 1 113755 gasket bearing carrier 6 1 113942 bearing carrier assembly 7 5 115037 L14 hex screw...

Page 6: ...QT 7 5 Air Master Quincy Compressor 50121M201 May 2001 5 3501 Wismann Lane Quincy IL 62305 3116 CONNECTING ROD PISTON GROUP 114192 low pressure...

Page 7: ...on ring 9 1 7351 piston ring 10 2 112781 oil ring rail 11 1 112780 oil ring expander 8643 010 low pressure piston 010 oversize 8643 020 low pressure piston 020 oversize 114209 Piston Ring Set standard...

Page 8: ...QT 7 5 Air Master Quincy Compressor 50121M201 May 2001 7 3501 Wismann Lane Quincy IL 62305 3116 CONNECTING ROD PISTON GROUP 114193 high pressure...

Page 9: ...110190 010 piston pin N S S order 114420 051 7 2 111105 002 piston pin plug 8 1 113991 piston 9 3 1652 piston ring 10 2 111281 oil ring rail 11 1 111280 oil ring expander 1 113991 010 high pressure p...

Page 10: ...QT 7 5 Air Master Quincy Compressor 50121M201 May 2001 9 3501 Wismann Lane Quincy IL 62305 3116 CYLINDER HEAD GROUP 113685 002 less head unloaders...

Page 11: ...unc x 1 00 grade 8 13 4 112373 J02 hex nut 1 4 20 unc 14 1 113618 002 gasket valve plate to cylinder head 15 1 113613M001 cylinder head plain 16 6 114595N038 hardened flatwasher 3 8 17 6 114440 L22 he...

Page 12: ...QT 7 5 Air Master Quincy Compressor 50121M201 May 2001 11 3501 Wismann Lane Quincy IL 62305 3116 CYLINDER HEAD GROUP 113685 003 with head unloaders...

Page 13: ...linder head unloader 16 6 114595N038 hardened flatwasher 3 8 17 6 114440 L22 hex screw 3 8 16 unc x 3 25 grade 9 18 1 113943 gasket cylinder to crankcase 19 1 2961 100 pressure relief valve 20 6 11503...

Page 14: ...valve pressure gauge release valve pressure switch check valve discharge line pressure gauge relief valve check valve discharge line to low and high pressure head unloaders pilot valve Pilot valve is...

Page 15: ...p s i 40 2 5 60 3 10 100 4 20 150 5 30 175 5 45 Applies to 110998 series pilot valves only Differential Setting Chart Dash Load PSI Unload PSI 100 90 100 997 30 70 adjustable 998 71 150 adjustable 99...

Page 16: ...s sure to the unloading arrangement Continuous Run Operation Suction valve unloader assemblies are recommended for use on Quincy compressors where the compressor is to run continuously and a constant...

Page 17: ...90 010 piston pin 1 110190 016 piston pin 1 111333 crankcase breather 1 113936 001 connecting rod assembly LP 1 113936 003 connecting rod assembly HP Overhaul Kit KQT75G Item Part Qty Number Descripti...

Page 18: ...top plate 1 111136 050 111136 050 tank drain valve 1 111136 100 111136 100 service valve 1 110514 300 110514 300 pressure gauge 2 110512 005 110512 005 pressure switch 135 175 p s i 1 110513 200 1105...

Page 19: ...110425 025 110425 050 tank drain valve 1 111136 075 111136 075 ball valve 1 110514 300 110514 300 pressure gauge 1 110512 005 110512 005 pressure switch 135 175 p s i 1 110513 200 110513 200 pressure...

Page 20: ...engine group 10 h p includes throttle control 2 5 ft 110515 075 discharge tube 3 4 copper tube to be formed by customer 2 110948 075 tube fitting nut with sleeve 1 111089 215 pressure relief valve in...

Page 21: ...ies for a wide range of Air Master products Quincy Air Master Service specialists are factory trained and will help keep you in business Call for Authorized Quincy Air Master Service See how Quincy Ai...

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