Ingersoll Rand — Assembly of the Throttle Mechanism — 2902SB
Repair & overhaul
From a Ingersoll Rand service manual — check it applies to your exact model before use.
Procedure
- Install a new Power Regulator Seal (24) in the groove closest to the Knurled Knob on the Power Regulator Assembly (23).
- Place the Detent Spring (26) and the Detent Ball (27) in the shallow hole in the hexagonal flange of the Swivel Inlet Body (20). Capture the Spring/Ball combination with the Power Regulator Assembly r
- Align the groove on the end of the Power Regulator shaft with the thru hole in the Swivel Inlet Body and insert the Regulator Retainer (25). The Regulator will turn firmly but freely within the Body w
- Place a new Swivel Inlet Seal (22) in each counterbore in the Swivel Inlet (21), place the Inlet Assembly Spacer (19) on the top of the Swivel Inlet so that it aligns with the hole in the Swivel inlet
- Install a new Throttle Valve (14) in the groove on the Throttle Valve (13) and insert the assembled Throttle Valve, stem first into the tapped hole in the Motor Housing (1).
- Next, insert the Throttle Valve Spring (15) into the tapped hole in the Housing and retain the Throttle parts with the Swivel Inlet. Thread the Inlet into the tapped hole clockwise and tighten to 23 t
- Align the holes in the Throttle Lever (16) with the holes in the boss on top of the Motor Housing and press the Throttle Lever Pin (17) into the through hole. Press the Throttle Lever several times ch
- If the Nameplate (46) has become disfigured, replace it after transferring the proper serial number.
Specs & values
- Tighten Swivel Inlet to 23 to 27 ft-lb (31 to 37 Nm).
Source: Ingersoll Rand service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.