A-Actuator Parts |
American Governor offers a complete line of new replacement parts – as well as many reconditioned parts and assemblies – for the venerable Woodward A-Actuator. Parts are often In Stock or available with only a short lead time. A properly tuned and maintained mechanical governor provides excellent frequency regulation. |
![]() Woodward A-Actuator |
A-Actuator and Pump |
A-Actuator Interior |
Woodward A-Actuators are divided into two sizes:Small A-Actuators: A3 and A4 Large A-Actuators: A5 through A8
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Small A-Actuator Parts List | ||
Part Number | Reference Number | Description |
120119 | Reference | Screw – Tach Drive |
120333 | Reference | Rod – Speeder |
120341 | Reference | Disc – Speeder Rod |
120343 | Reference | Rod End |
120451 | Reference | Pin – Floating Lever |
120731 | Reference | Pin – Ballarm |
120732 | Reference | Block – Ballarm |
121015 | Reference | Lever – Lower Floating Direct |
121267 | Reference | Disc – Lower Vibrator |
121268 | Reference | Disc – Upper Vibrator |
121269 | Reference | Retainer – Ball |
130051 | Reference | Pilot Valve Bushing |
140319 | Reference | Pin – Roller |
140354 | Reference | Strainer Screen |
140622 | Reference | Ballarm toe roller |
140623 | Reference | Vibrator – Upper |
140631 | Reference | Vibrator – Lower |
141087 | Reference | Washer – Thrust |
141092 | Reference | Fiber Washer |
141105 | Reference | Glass – Gauge |
141108 | Reference | Washer – Gauge Glass |
141117 | Reference | Lever – Upper Floating Reverse |
141118 | Reference | Lever – Lower Floating Direct |
141226 | Reference | Vibrator – Lower |
141228 | Reference | Vibrator – Upper |
141786 | Reference | D – Washer |
141802 | Reference | Thrust Bearing Weighted Head |
142280 | Reference | Fork |
143172 | Reference | Pilot Valve Plunger |
175219 | Reference | Seal Assembly – Relay Stem |
175634 | Reference | Kit – Filter Changeover |
180041 | Reference | Bearing – Thrust Washer |
180052 | Reference | Bearing – Dashpot Link |
180053 | Reference | Bearing – Ballarm |
180055 | Reference | Bearing – Use 180124 |
180061 | Reference | Bearing – Ball |
180066 | Reference | Bearing – Ball |
180096 | Reference | Bearing – Needle |
180124 | Reference | Bearing – Ballarm |
180125 | Reference | Bearing – Spindle |
182082 | Reference | Packing – 1-3/4 OD Cheveron |
183006 | Reference | Bushing – Small Dashpot |
183007 | Reference | Bushing – Large Dashpot |
183187 | Reference | Bushing – Speed Droop |
183273 | Reference | Bushing – Speed Adjust Gear |
184037 | Reference | Pin – Tachometer Drive |
184090 | Reference | Cotter Pin |
184358 | Reference | Pin – Ballarm block |
186063 | Reference | Pilot Valve Packing (5) |
188195 | Reference | 90K Pivot Pin |
189467 | Reference | 1/4 Steel Ball |
191404 | Reference | Tapered Pilot Valve Spring |
191853 | Reference | Friction Spring |
206144 | Reference | Strainer Gasket |
206181 | Reference | Packing – 1/4 Square Garlock |
206182 | Reference | Packing – 3/16 Garlock |
1010-662 | Reference | Washer – Tachometer Adapter |
1327-204 | Reference | Pilot Valve Filter Element |
1355-113 | Reference | O-Ring – Strainer Nut |
1355-453 | Reference | O-Ring – Strainer Cup to Case |
3236-030 | Reference | Spacer – Bearing |
Large A-Actuator Parts List | ||
Part Number | Reference Number | Description |
120044 | Reference | Disc – Upper Vibrator |
120045 | Reference | Block – Slide |
120119 | Reference | Screw – Tach Drive |
120332 | Reference | Rod – Speeder |
120334 | Reference | Disc – Lower Vibrator |
120340 | Reference | Disc – Speeder Rod |
120342 | Reference | Rod End |
120346 | Reference | Washer – Thrust |
120347 | Reference | Lever – Upper Floating |
120349 | Reference | Lever – Lower Floating |
121013 | Reference | Thrust Bearing Weighted Head |
121016 | Reference | Lever – Lower Floating |
121341 | Reference | Disc – Upper Vibrator |
121342 | Reference | Disc – Lower Vibrator |
121343 | Reference | Retainer – Ball |
141092 | Reference | Fiber Washer |
141108 | Reference | Washer – Gauge Glass |
141786 | Reference | D – Washer |
180041 | Reference | Bearing – Thrust Washer |
180052 | Reference | Bearing – Dashpot Link |
180053 | Reference | Bearing – Ballarm |
180066 | Reference | Bearing – Ball |
180096 | Reference | Bearing – Needle |
180101 | Reference | Bearing – Needle |
180125 | Reference | Bearing – Spindle |
183185 | Reference | Bushing – Speed Droop |
184037 | Reference | Pin – Tachometer drive pin |
184090 | Reference | Cotter pin |
184347 | Reference | Pin – Ballarm Block |
184467 | Reference | Pin – Tach Drive |
188194 | Reference | Pivot Pin – 1/4 Dia |
189463 | Reference | Ball – 5/16 Dia |
191853 | Reference | Friction Spring |
1010-662 | Reference | Washer – Tachometer Adapter |
3236-030 | Reference | Spacer – Bearing |
Complete A-Actuator Parts List | |
Reference Number | Description |
12000-19K17 | Relay Limit Blind Nut |
12000-41-K | Speeder Ball Retainer |
12000-46-K | Adjusting Knob |
12000-47-K | Spiral Pinion Bearing |
12000-52-K | Washer |
12000-55 | Friction Spring |
12000-64 | Pilot Valve Spring |
12000-89XIS | Packing Gland |
12000-95 | Spring |
12000-100 | Speed Adjusting Spring |
12000-101 | Ball Arm Spring |
12000-119 | Dashpot Spring |
12000-122 | Spring |
12000-140 | Spring |
12000-140 | Spring. |
12000-141 | By Pass Spring |
12000-342K | Motor Pinion |
12000-345KB | Motor Bracket |
12000-410-K | Strainer Drain |
12000-414-K | Strainer Cage |
12000-415-K | Strainer Screen |
12000-416-K | Strainer Rod |
12000-417-K | Blind Nut |
12000-420-K | 1/4″ Valve Assembly |
12000-425K23A | Hand Valve Bonnet Assembly |
12000-30000 | Relay and Base |
12000-30070 | Base Side Cover |
12000-30130 | Base End Cover |
12000-30230 | Hand Valve Seat |
12000-30280 | Relay Bush |
12000-30350 | Plunger Disc |
12000-30400 | Relay Rod |
12000-30500 | Hand Valve Bonnet |
12000-30560 | Hand Valve Stem |
12000-30600 | Hand Valve Disc Sleeve |
12000-30650 | Hand Valve Disc |
12000-30710 | Hand Valve Stem Nut |
12000-30750 | Packing Nut |
12000-30795 | Relay Rod End |
12000-30820 | Relay Bonnet |
12000-30890 | Relay Bonnet Nut Cover |
12000-30950 | Hand Valve Nut Cover |
12000-30990 | Handwheel |
12000-31100 | Control Column |
12000-31110 | Door |
12000-31250 | Actuator Dome |
12000-31570 | Walking Beam |
12000-31590 | Walking Beam |
12000-31610 | Pivot Pin |
12000-31630 | Walking Beam Shaft |
12000-31650 | Governor Head Case |
12000-31670 | Governor Head |
12000-31690 | Ball Arm |
12000-31695 | Bearing Spacer |
12000-31700 | Grease Seal |
12000-31710 | Fly Ball |
12000-31730 | Spring Bar |
12000-31750 | Spring Nut |
12000-31770 | Pivot Pin |
12000-31810 | Bearing Nut |
12000-31830 | Vibrator Disc – Upper |
12000-31850 | Stationary Sleeve |
12000-31910 | Speeder Rod |
12000-31930 | Vibrator Disc – Lower |
12000-31950 | Oil Cup |
12000-31970 | Ball Retainer |
12000-31990 | Roller for Ball Arm |
12000-31995 | Roller Pin |
12000-32010 | Speeder Spring Disc |
12000-32050 | Pivot Screw |
12000-32070 | Ball Thrust Washer |
12000-32070 | Ball Thrust Washer |
12000-32110 | Upper Floating Lever |
12000-32131 | Lower Floating Lever |
12000-32208 | Stop Finger |
12000-32210 | Sleeve Fork |
12000-32230 | Stop Rod |
12000-32231 | Stop Rod Adjusting Nut |
12000-32310 | Stop Rod Ball Nut |
12000-32431 | Gate Limit Lever |
12000-32470 | Gate Limit Link |
12000-32500 | Gate Limit Crank |
12000-32550 | Internal Gear |
12000-32640 | Stud for Planet Pinion |
12000-32660 | Planet Pinion |
12000-32670 | Pinion and Sun Pinion |
12000-32680 | Handwheel Shaft |
12000-32690 | Control Wheel |
12000-32700 | Stub Shaft |
12000-32720 | Hand – Red |
12000-32750 | Hand – Black |
12000-32840 | Compensating Rack |
12000-32860 | No. 8 Taper Pin |
12000-32920 | Compensating Rack Bracket |
12000-32940 | Ball Joint |
12000-32940-A | Ball Joint Assembly |
12000-32950 | Compensating Rod |
12000-33100 | Controller |
12000-33100-A | Controlet |
12000-33120 | Control Plunger |
12000-33160 | Fork |
12000-33220 | Packing Cap |
12000-33240 | Control Plunger Cap |
12000-33270 | Closing Adjusting Screw |
12000-33290 | Relay Limit Adjusting Screw |
12000-33400 | Control Standard |
12000-33420 | Compensating Crank Shaft |
12000-33430 | Equalizing Cam |
12000-33450 | Equalizing Lever |
12000-33470 | Speeder Screw |
12000-33480 | Equalizer Sleeve |
12000-33490 | Cup Gear |
12000-33500 | Stop Lug Collar |
12000-33510 | Speed Adjusting Screw |
12000-33520 | Motor Gear |
12000-33530 | Frictional Nut |
12000-33535 | Friction Washer |
12000-33580 | Compensating Lever |
12000-33600 | Safety Shutdown Lever |
12000-33700 | Floating Lever Connecting Rod |
12000-33700A | Floating Lever Connecting Rod |
12000-33800 | Strainer Case |
12000-33800A | Pilot Valve Strainer Assembly |
12000-33900 | Dashpot Case |
12000-33920 | Dashpot Plunger |
12000-33950 | Plunger Rod Bonnet |
12000-33960 | Connecting Link |
12000-33970 | Spring Plunger |
12000-34000 | Dashpot Spring Bonnet |
12000-34010 | Sight Glass |
12000-34020 | Dashpot Needle |
12000-34030 | Dashpot Needle Handle |
12000-34040 | By Pass Lever |
12000-34050 | By Pass Lever Guide |
12000-34060 | By Pass Rod |
12000-34100 | Auxiliary Valve Case |
12000-34100A | Auxiliary Relay Assembly |
12000-34120 | Auxiliary Valve Bush |
12000-34140 | Auxiliary Valve Plunger |
12000-34160 | Auxiliary Valve Connecting Fork |
12000-34200 | Valve Bonnet |
12000-34220 | Hand Valve Seat |
12000-34225 | Hand Valve Disc |
12000-34330 | Pilot Valve Plunger |
12000-34340 | Pilot Valve Bush |
12000-34350 | Packing Nut |
12000-34440 | Safety Lever Hand Latch |
12000-34700 | Piston Rod Fork |
12000-34710 | Pivot Pin |
12000-34740 | Piston Valve Seat |
12000-34750 | Bottom Valve Seat |
12000-34770 | Pump Body |
12000-34780 | Piston |
12000-34820 | Thrust Link |
12000-34830 | Pump Handle |
12000-34850 | Handle Socket |
12000-34860 | Valve Plunger |
12000-35120 | Friction Pinion |
Technical Support and Field Service AvailableIs your governor hunting? Are you having trouble synchronizing? Do the gates drift while on-line? We can help.Our deeply experienced, OEM-trained Field Service Engineers are ready to answer any maintenance questions you may have and can be dispatched to your site on short notice for anything from routine troubleshooting, tuning, and calibration to a complete governor overhaul. |