Main WheelBF GoodrichCMM 32-45-46

3-1537/3-1537-1/3-1537-2/3-1537-2T1

Name: 3-1537/3-1537-1/3-1537-2/3-1537-2T1 — Cessna Main Wheel
Brand: BF Goodrich
SKU: 3-1537/3-1537-1/3-1537-2/3-1537-2T1
Availability: InStock

Cessna

Citation X (750)

Alternative Part Number9914463-2·9914463-6·9914463-10·9914463-1

Variants3-1537·3-1537-1·3-1537-2·3-1537-2T1

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This CMM Covers Multiple Variants

This CMM covers multiple wheel variants. Effectivity codes (A, B, C…) in the parts list map to the variants shown below.

3-1537

3-1537-1

3-1537-2

Gray Paint

3-1537-2T1

White Paint

Overview

The 3-1537/3-1537-1/3-1537-2/3-1537-2T1 is a main wheel assembly used on Cessna Citation X (750). Manufactured by Goodrich.

Material

Aluminum

Manufacturer

BF Goodrich

CMM Reference

32-45-46

Aircraft

Cessna

Maintenance Schedule

Eddy Current / NDTEvery tire change

OverhaulThe inspection intervals are calculated as follows: 1500 (landings between NDT inspections) divided by 250 (landings between tire changes) = 6 (number of tire changes between ADDED INSPECTIONS).

Wear Pointsbearings, o-ring grooves, corrosion

Penetrant Inspection → Overhaul

Per CMM: Per CMM, any wheel requiring penetrant inspection is processed as an overhaul. Owners may elect overhaul at any tire change to extend service life.

Parts Replaced at Tire Change

Every tire change replaces the tire, the main wheel-half preformed packing (O-ring), the valve cap, and the valve core. Specific part numbers and dash sizes vary by wheel and are pulled from the CMM at the time of service.

Always Replaced

Seals & O-Rings

68-1413O-ringQty 1

Hardware

TRVC5Cap, ValveQty 1

TRC4Valve, CoreQty 1

Replaced If Needed

Seals & O-Rings

TRRG30O-ringQty 1

During tire change or NDT inspection, additional parts beyond the routine four may require replacement if they fail inspection or meet the rejection criteria defined in the CMM.

Parts Replaced at Overhaul

A full overhaul includes all parts replaced at tire change (listed above), plus the following components inspected and replaced per the CMM:

Seals & O-Rings

NAS1611-014O-ringQty 2

68-450O-ringQty 1

MS28775-006O-ring (Used with Item 110 only)Qty 1

68-1606O-ring (Used with Item 110A only)Qty 1

Fuse Plugs

542-6Plug Assembly, Thermal Relief (Repls Item 110) (Post SB 1025) (Part could have cadmium plating)Qty AR

49-410Plug, Thermal Relief (Used with Item 110A only) (Part could have cadmium plating) (NONPROCURABLE)Qty AR

Hardware

50-797Plate, Instruction* . (Repls Item 205, 205A)Qty 1

50-798Plate, Instruction*Qty 1

50-971Plate, Instruction*Qty 1

50-972Plate, Instruction*Qty 1

50-797Plate, Instruction . (Repls Item 205, 205A)Qty AR

50-798Plate, InstructionQty 1

Other Parts on the Wheel

These components are part of the wheel assembly but are not replaced during a standard tire change or overhaul. They are only replaced when inspection per the CMM identifies a rejectable condition. APSS stocks or sources these parts on request — contact us for current availability.

Bearings

L610549-20629Cone, Bearing (Inner) (Repls Item 65) (refer to paragraph 1.D.)Qty 1

L507910-20629Cup, Bearing (Outer) (Repls Item 185) (refer to paragraph 1.D.)Qty 1

L610510-20629Cup, Bearing (Inner) (Repls Item 190) (refer to paragraph 1.D.)Qty AR

Seals & O-Rings

68-1178Seal, Grease (Outer)Qty 1

68-1179Seal, Grease (Inner)Qty 1

Fasteners

AN3-3ABolt (Part could have cadmium plating)Qty 3

AN960C10Washer, Flat (Part could have cadmium plating)Qty 3

NASM20426-4Rivet (Repls Item 25)Qty 2

53-388Clip, RetainingC, DQty 1

NAS1102E4-8Screw (Part could have cadmium plating)Qty AR

MS21083N3Nut, Self-Locking (Part could have cadmium plating)Qty AR

AN3-6ABolt (Part could have cadmium plating)Qty AR

AN3-5ABolt (Part could have cadmium plating)Qty AR

Hardware

MS20995C32LockwireQty AR

118-139Cap Assembly, Hub (Gray Paint)A, B, CQty 1

118-139T1Cap Assembly, Hub (White Paint)DQty 1

40-91115Coupling, Drive (Part can contain beryllium)Qty AR

32-528Cap, HubQty 1

68-1151GasketQty 1

60-867SpacerQty 1

TR760-03Valve Assembly, Inflation (refer to paragraph 1.E.)Qty 1

TR760-02Stem, Valve (refer to paragraph 1.E.)Qty 1

49-336Plug, Overinflation (Includes 2 of Item 100)Qty 1

53-387Clip, Lock RingC, DQty 1

245-243Ring, LockA, BQty 1

245-633Ring, LockC, DQty 1

11-124Rim, Side (Gray Paint)A, B, CQty 1

11-124T1Rim, Side (White Paint)DQty 1

2391-4CN375Twinsert® (Service Part) (Order Item 155C with this part)Qty AR

4691-4CN339Twinsert® (Service Part) (Order Item 155B with this part)Qty AR

379-29Gasket (Post SB 1105)Qty 6

SR192LSlimsert®Qty 3

SRW192LSlimsert® (Oversized) (Service Part)Qty AR

97-148-1Weight, Balance (1/2 oz.) (Part could have cadmium plating)Qty AR

Wheel Components

The structural components of the wheel assembly itself. These are not replaced on a standard service and come into play only when damage, corrosion, or cracks exceed the repair limits established by the CMM.

Wheel Halves

300-801Wheel Base AssemblyAQty 1

300-801-1Wheel Base Assembly (Gray Paint)B, CQty 1

300-801-1T1Wheel Base Assembly (White Paint)DQty 1

Wheel Components

170-273-2InsertQty 6

170-660Insert (Oversized) (Service Part)Qty AR

3591-4CN250Insert, Heli-Coil®Qty 6

3891-4CN375Insert, Heli-Coil® (Oversized) (Service Part)Qty AR

Inspection Criteria

General

General overhaul criteria — see the CMM for full specifications and numeric limits:

Drive keys: replace if damaged, corroded, or loose.
Heat shield: replace if cracked, burned, or mechanically damaged.
Bolts and nuts: replace if cracked, corroded, thread-damaged, or failing the back-off torque test.
Bearings (cones and cups): replace if spalled, discolored from heat, pitted, or showing any surface wear.
Wheel halves: replace if cracked, out-of-round beyond CMM limits, or showing seal-groove damage.
Preformed packings and O-rings: replace at every disassembly.
Retaining rings and lockwire: replace whenever removed.