BELL-407

Rolls-Royce 250 Engine Maintenance Stand

Maintenance stand that can rotate engine 360 degrees. Maintenance stand can be taken apart for transportation or storage.

407 Main Rotor Blade Tie Down (4pc Set)

Four piece set of main rotor blade tie downs.

407 Tail Rotor Gearbox Output Shaft Collet Assembly

Used to check bevel gear backlash   Bell P/N T103217

206/407 Freewheeling Unit Bearing Installation Sleeve

Freewheeling unit bearing installation sleeve

407 Tail Rotor Gearbox Input Pinion Duplex Bearing Work Aid

Used to remove the duplex bearing from the input pinion of the tail rotor gearbox.   Bell P/N T103344

UV Flashlight for Transmission and Engine Oil Leak Checks

UV flashlight for detecting oil leaks. Works great in the daytime (with cowlings on), works even better at night. Make sure you wash off your aircraft well before performing a ground run leak check with this light. It will light up ALL your residual oil...

407 Kaflex Work Aid

Here it is, the tool you all have been wanting from us for a while.    Ours is made with solid bolts so you don't have the issues that the cables give you   Red cover is to protect kaflex shaft during maintenance and while sitting on the...

407 Freewheeling Unit Input Shaft Removal Work Aid

Used to separate the input shaft from the output shaft on the freewheeling assembly.   Bell P/N T103309

407 Freewheeling Unit Input Shaft Disassembly Work Aid

Used to disassemble the items inside of the input shaft of the freewheeling unit.   This is one big heavy chunk of steel. Simple enough to make, but the raw steel that size is expensive.   Bell P/N T103312

407 Pitch Change Link Protective Maintenance Covers

Straight from the maintenance manual: EXERCISE CAUTION WHEN SUPPORTING THE PITCH LINK TUBE TO MAKE SURE THAT YOU DO NOT SCRATCH OR DISTORT THE TUBE. FAILURE TO DO SO MAY DAMAGE THE PART. By request of a few customers, here they are. Color coded...

1/4" Drive - 12 point Universal/Swivel Sockets SAE & METRIC

We have located some quality swivel sockets at an affordable price that we are happy to offer here! They are made by Genius Tools. SAE (6pc) set consists of 1/4", 5/16", 3/8", 7/16", 1/2", & 9/16" Metric (9pc) set consists of 6mm, 7mm, 8mm, 9mm,...

1/4" Drive Breaker Bar

1/4" drive breaker bar that is perfect for our special tools and replaces a ratchet that is always rotating. You should be fighting the helicopter, not your tools. Works great with the 407 Hydraulic Pump Wrenches.  

407 Tail Rotor Gearbox Work Aids #1-8

Work Aids 1-8 for the 407 tail rotor gearbox

Battery Adapter for Cordless Hydraulic Drive Unit (407PHMCordless)

This is a battery adapter for our Makita hydraulic drive unit. This adapter allows you to use a Milwaukee or Dewalt. 

407 Pitch Change Universal Bearing PITA Grease Fitting Work Aid

Here it is boys and girls. Finally a tool to grease that one pain in the ass grease fitting. No longer will you have to remove the pitch link just to grease the bearing in all 4 spots. Now even your pilot can complete the 50 hour lube. This grease...

3/4" Drive Ratchet *EXCESS INVENTORY*

3/4" Drive Ratchet for a price you won't find anywhere else.   These are extras from a kit we purchase and do not use the ratchet. So we are offering it reasonably priced.

Pin Gauges For Inspecting Splines

All pin gauges are 2 inches long unless otherwise specified.  Pin gauges can be modified for different lengths for an extra fee. If you do not see the diameter pin you need, let us know. We can have them here the very next day. We try to keep all...

Pitot Tube Cover

Simple Pitot Tube Cover

407 Main Rotor Hub Overhaul Work Aid Kit

10X Magnifying Glass

We chose this model of magnifying glass because the cup is setup for the correct focal distance. Just place the magnifying glass on the object you are trying to inspect and you are focused. No fighting the loupe trying to figure out the correct focus...

Kaflex Drive Shaft Protective Maintenance Cover

Place this pad on the kaflex shaft during maintenance or when removed to protect it from dings and scratches. There are 2 options: 206 and 407. The 206 is a bit longer than the 407. Kaflex definitely not included for this price.

407 Tail Rotor Hub Flapping Bearing Work Aid

Used to apply the force for installation and removal on steel outer race of flapping bearing. That wording is straight from the manual.   Bell P/N T101750

206/407/505 Swashplate Roll Stake Bearing Work Aid Kit

Bearing staking tool for the swashplate bearings. Allows you to perform the maintenance on the aircraft without removing the swashplate.   T101530

Ultimate Swing Wrench Kit

Ultimate Swing Wrench Kits contains 28 pieces. They are: T-handle, Screwdriver handle, and curved handle Open End: 1/4, 5/16, 3/8, 7/16, 1/2, & 9/16 Ratcheting Open End: 5/16 Regular Box End: 1/4, 5/16, 3/8, 7/16, 1/2, & 9/16 Ratcheting Box End:...

407 Tail Rotor Gearbox Wear Sleeve Installation Tool

Used to install the wear sleeve on the output shaft of the tail rotor gearbox. Bell P/N T103303

206/407/505 Transmission Accessory Bevel Gear Bearing Work Aid

Used to hold the accessory drive gear while applying torque to the gearshaft spanner nut.   Bell P/N T101504

Spring Scale 0-50lbs

0-50 lbs Spring Scale.  This spring scale is made of brass and will not shatter in your tool box like the cheap plastic spring scales. I've used both, brass and the plastic case spring scales. They both work. I just prefer the brass since they are a...

407 Freewheeling Unit Assembly Aft Adapter Wear Sleeve Installation Tool

Used to install the wear sleeve on the aft adapter of the freewheeling unit. Bell P/N T103311

407 Tail Rotor Gearbox Input Duplex Bearing Nut Lip Seal Tool

This tool is used to remove and install the lip seal on the duplex bearing nut on the input of the tail rotor gearbox. Bell P/N 427-240-155-101   For Carbon Seals click here  

407 Tail Rotor Gearbox Output Shaft Pusher

Used for the installation of the tail rotor gearbox output shaft Bell P/N T103320

Rolls-Royce 250 Fuel Nozzle Holding Fixture

Another one where the name of the tool describes it beautifully. Rolls-Royce P/N 6897875

407 Tail Rotor Gearbox Input Duplex Bearing Nut Carbon Seal Tool

This tool is used to remove and install the CARBON seal on the duplex bearing nut on the input of the tail rotor gearbox. Bell P/N T103219

407 Freewheeling Assembly Seal Installation/Removal Tool

This tool is used to both remove and install the seal from the freewheeling shaft nut.   Bell P/N T103307

Transmission Backlash Bar Assembly

Used to check the backlash in plane of rotation between pinion and gear on the transmission assembly. Bell P/N T103326 Bell P/N T101509-11 Bell P/N 407-240-020-101 - This one is for the aircraft that have the kaflex with the transmission flange larger...

407 Transmission Mast Duplex Bearing Nut Wrench

Tool to remove the mast duplex bearing nut from the bottom of the transmission   Bell P/N 407-240-004-101

407 Mast Assembly Overhaul Kit

This kit contains the following items: Mast Assembly Holding Fixture 407-240-008-101 Mast Assembly Nut Wrench 407-240-007-101 Bearing removal plate T103318 Work Aid #1 & #2 Work Aid #3 Foam and case

407 Tail Rotor Driveshaft Work Aid Kit

This kit contains the following items: Step Plate OTC 8068 Step Plate OTC 8062 Puller OTC 1025 And 4 pressing work aids  

Rolls-Royce 250 Starter/Generator Seal Remover

Special slide hammer tool used to remove the seal from the starter/generator.

Oil Can Dust Cap

Instead of using a latex glove, we have all seen it, you can now save that half used can of oil with these caps specifically made for the quart cans. The Dust Cap protects your oil cans against dust, dirt and debris It saves money on leftover oil,...

407 Tail Rotor Gearbox And Swashplate Vise Mount

This fixture is made to hold both the tail rotor gearbox and the swashplate in a vise. Bell P/N T103220 Tail Rotor Gearbox Work Aid #5 Swashplate Work Aid #1

206/407/429/505 Adapter Wrench

206L - Freewheeling Unit 407 - Freewheeling Unit 429 - Clutch Assembly 505 - Transmission Input Seal

Dykem Cross Check Torque Stripe

We have this torque stripe in orange only

407 Transmission Carrier Assembly Support

Used to help disassemble and assemble the planetary gears carrier support Bell P/N T101281

206/407 Intake Plugs and Exhaust Cover

Intake plugs come with pitot cover attached together. Your pilot will have to lose the plugs to be able to lose the pitot cover.

ASB 407-23-130 Pilot Cyclic Stick Stop-Drill Work Aid

Work aid for ASB 407-23-130 to stop drill cracks on the cyclic stick. 1st drill bushing of .070" listed on ASB not available,  Comes with 3 removeable drill bushings and 3 drill bits.  #40    .098" #30    .1285" 3/16"  ...

407 Mast Holding Fixture

Used to hold the mast assembly when torque is applied to retaining nut during removal and installation.   Helitool's P/N 407-MAST-01 Bell P/N 407-240-008-101

407 Mast Assembly Seal Work Aids (2pcs)

This is a set of 2 aluminum plates called out in the maintenance manual to remove and the other to install the seal in the mast assembly. One is 4.4 inches in diameter, the other 4.6 inches in diameter.   Helitools P/N 407-MAST-OH-04

205/206/212/407/412/505 Transmission Planetary Install Pin

This pin is used in removing or installing planetary pinions or the spur gear in the planetary assemblies.   Helitools P/N 206-XMSN-OH-10 Bell P/N T101332

205/206/212/407/412/505 Transmission Planetary Guide Shaft

This work aid is used in aligning the pinion assembly inner race during removal and installation of the retaining shaft in lower planetary housing.   Helitools P/N 206-XMSN-OH-11 Bell P/N T101574

206/407/505 Transmission Accessory Gear Backlash Work Aid

Used to check backlash between the transmission main input gear and the accessory drive gear.   Helitools P/N 206-XMSN-OH-07 Bell P/N T101735

407 Freewheeling Unit Bolt Wrench

This "wrench" is used to hold the freewheeling unit adapter bolt. I don't know why the aircraft part is called a bolt or why this tool is called a wrench, but here we are.   Helitools P/N 407-FWU-OH-22 Bell P/N 406-240-012-101

RR250 C20/30/47 Engine Sled

Made to fit the C20/C30/C47. Easy assembly and disassembly for shipping. Rolls-Royce P/N 6891189

206/407/505 Tail Rotor Gearbox Backlash Spline Wrench

This spline wrench is used to measure backlash on the tail rotor gearbox and also to clamp into a vice.   Helitools P/N 206-TRGB-OH-03 Bell P/N T101511

.020" Spherical Inspection Probe

This is the spherical radius probe the maintenance manual calls for. This probe has a .020 spherical ball on the very end so that you can run it across the shaft splines to check for damage. Use it on: Multiple 206 items not listed...

407 Freewheeling Unit Aft Cap Lip Seal Work Aid

Used to install the lip seal on the freewheeling unit aft cap.   1.98in wide by .500 thick. Updated Manual says to make it .250 thick. We make it .500 because it is easier to manufacture and it also makes it easier for you to grip the work aid and...

407 Main Rotor Hub Assembly Adapter

Adapter is used to maintain alignment of main rotor hub assemblies during teardown and re-assembly for overhaul.   Bell 407-210-005-101

407 Tail Rotor Driveshaft Hanger Bearing Disassembly Work Aid

Provides support to hanger bearing housing while pushing out bearing with arbor press

206/407 Airframe Fuel Filter Fixture

Requested by a customer, this is a fixture to hold the Airframe Fuel Filter in a vice. Has 4 tabs on it, so you can put the filter in a position that makes it easier for you to work on.

206/407/505 Freewheeling Unit Cap Restraint Fixture

Fixture used to hold freewheeling unit cap on vice while doing maintenance   Helitools P/N 206-FWU-OH-11 Bell P/N T103308

206/407/429/505 Freewheeling Unit Bearing Installation Sleeve

For pressing the roller bearing during freewheeling unit maintenance. For the "clutch" on the 429.   Helitools 206-FWU-OH-16 Bell T103332

Rolls-Royce 250 Spur Adapter Gear Installation Work Aid

P/N: 250SG2 (C20 only) Rolls-Royce P/N 23006778   P/N 250SG3 (C30 & C47) Rolls-Royce P/N 23005426

RR250 Accessory Drive Lip Seal

Installs the Starter/Generator and HMU (Fuel Pump) seals on the C47 gearbox

Engine Wash Bottle

SINGLE BOTTLE: This is a stainless, 2 1/2 gallon bottle that has been used by all the major operators in the Gulf of Mexico for the last 45 years to my knowledge.  I have replaced the short stock hose with 7 ft of high quality chemical resistant...

407 Kaflex Mounting Wrench

If you have ever installed a Kaflex drive shaft, you know how its practically impossible to actually torque them. We designed these wrenches so you could stop using that calibrated elbow and properly torque them with a torque wrench.

206L/407/429 Portable Hydraulic Pump Drive Unit

FOR CUSTOMERS OUTSIDE OF THE UNITED STATES PLEASE CLICK HERE   Remove the hydraulic pump from the transmission with the hoses still connected and bolt hydraulic pump to the red pump drive unit. Plug in the Makita to 110v, and presto, you have...

Rolls-Royce 250 Fuel Nozzle Shimming Gauge

The simplest gauge for calculating the required shims for the fuel nozzle!  We provide instructions that are for reference, but as usual, refer to maintenance manual for latest information.   We also have an excel spreadsheet to make...

Rolls-Royce 250 C47 Ratcheting Open-End Fuel-Control Swing Wrench

Ratcheting open end swing wrench designed to remove that pesky upper 5/16 nut on the fuel control. With a slow and steady control of the swing wrench, I was able to remove the upper nut in approximately three minutes. Compare that to the last time you...

Rolls-Royce 250 Turbine To Gearbox Attach Bolt Wrenches - 3pcs

No longer will you need to use that calibrated elbow. We have designed 3 wrenches to perform the torque checks on the 6 turbine to gearbox attach bolts on the RR250-C30 and C47 engines. A long 1/4" extension will be required to torque the bolt above the...

Rolls-Royce 250 C30/C47 Short Fuel Nozzle Wrench

 RR P/N 23007638

Rolls-Royce 250 C30/C47 Fuel Nozzle Wrench

This fuel nozzle wrench is double sided to give you better access to the fuel nozzle. With the cowling installed, if you place the wrench on the fuel nozzle, it may not sit the way you want because of the limited space, flip it to the other side. The...

Rolls-Royce 250 C30/C47 Medium Fuel Nozzle Wrench

This wrench is usually preferred by the overhaul guys working the engine on a stand.

Bolt Extractor

This work aid lets you apply pressure to the bolt while applying penetrating lube. Once the bolt pops loose it can easily be removed. Pressure is applied to the bolt and not to the tail boom fitting. Cracked fittings require tail boom removal at lots of...

206/407/505 Transmission Oil Pump Accessory Gear Drive Spanner Nut Socket

Socket specifically designed for the spanner nut on the accessory gear that drives oil pump. Maintenance manual calls out for AN8515-1 Spanner Wrench. Our socket is a better design that won't slip and make you bust your knuckles.

Rolls-Royce 250-C20/C30/C47 Engine Lifting Eye

Engine lifting eye for C20, C30, and C47. Long enough to clear the exhaust stack so it doesn't have to be removed. There are 3  3/8-24 threaded holes so the bolts can be stored when not in use. Rolls-Royce C20 6796963Rolls-Royce C30/C47...

Bypass Spool Check Mount - With Dial Indicator

Bracket held on with nylon screws so as not to damage the servo anodized surface.The bracket also comes with a powder coat finish which gives additional protection to the anodized finish on the servo.   Comes with spare nylon screw.   If...

Rolls-Royce 250 Ignitor Wrench

Ignitors can be hard to remove for several reasons. Someone put it in too tight, didn't use anti-seize or used a 12 point socket and slipped, rounding off the corners. This wrench is made from a 6 point impact socket. Install the wrench and put the...

Rolls-Royce 250 Starter/Generator Spline Turn Wrench

T-handle wrench for turning the N1 wheels while doing maintenance on the RR250 series engines. Starter/generator splines are hard to find, so get yours here   Rolls-Royce P/N 6799790

206 & 407 Free Wheeling Unit Aft Flange Wrench

Use this work aid by attaching it to the aft flange with two bolts. Use a breaker bar to keep shaft from rotating. Through the larger centered hole, use your socket to torque the nut. We can make the square drive hole 1/2in if you prefer.   Bell P/N...

Reversible Swing Wrenches

These reversible swing wrenches are an improvement over our other wrenches. We are using the reversible Gear wrench brand so when you get into a tight spot and can't get the wrench off the nut or bolt you can simply flip the reversing lever and back out...

Brass Screwdriver For Compass Adjustment

No more trying to make a screw driver for adjusting compasses with a hammer and welding rod.This is a quality, solid brass screwdriver made especially for adjusting compasses.It's 4 3/4 inches long and the blade tip is 5/32" wide.

206/407/505 Oil Cooler Blower Driveshaft Spanner Wrench

Wrench to get off the spanner nut on the oil cooler blower. The L-model wrench will also work on the 407.

Bell Rotor Brake Bleeder Kit - Adapter and Oil Can

Oil can comes with 6 feet of hose and allows bleeding the brakes to be a one man job. Fits most Bell models. Quickest way to bleed rotor brakes.

KaFlex Compression Kit for 206L and 407

This is the easiest and fastest way to R&R 206L and 407 KaFlex shafts.Simply make 2 wraps on the driveshaft passing through the holes in the aluminum rods, tie a knot and twist the rods until the cord starts to tighten. Tighten just enough to slip...

Swing Wrenches

Don't buy bulky swing wrenches from tool trucks made from the old ratcheting dog bone wrenches that were great 40 years ago. Ours are made with the slimmer profile Gearwrench ratcheting boxends. Rotor brakes, flight controls in the tailboom, or fuel...

Rolls-Royce 250 Exhaust Stack Wrench

Wrench is made for removal of the nuts on the exhaust stack. Keeps nuts from falling into crevices of the engine.

Bell Sight Glass Remover

Work aid to remove the round Bell sight glass.