CRANE - SEAT BASE AND FOOT PLATE

TM 5-5420-279-23

5 - 146 CRANE - SEAT BASE AND FOOT PLATE

This task covers:

a. Remove

b. Install

INITIAL SETUP:

Tools Required

Tool Kit, General Mechanic's, Automotive (GMTK)

Materials Required

Thread locking compound, loctite 243

Equipment Conditions

Seat deployed

Remove

(1)

Disengage adjuster (6) and deploy the seat.

(2)

Disengage the seat assembly adjuster (5) and remove the seat assembly (1).

(3)

Remove the hydraulic controls and light (not shown) fitted to the seat base bracket (9).

(4)

Support the seat base bracket (9) and remove the bolts (8) securing the seat base bracket

(9) to the crane column (7).

(5)

Place the seat base bracket (9) on a suitable working surface.

(6)

Remove the bolts (10), nuts (3) and washers (2) securing the foot plate (4) to the seat base

bracket (9).

(7)

Remove the foot plate (4).

(8)

Check all components for damage and wear.

(9)

Replace components as necessary.

Install

(1)

Fit the foot plate (4) to the seat base bracket (9) with the bolts (10), nuts (3) and washers

(2).

(2)

Apply thread locking compound to the bolts (8).

(3)

Fit the seat base bracket (9) to the crane column (7) with the bolts (8).

(4)

Fit the seat assembly (1) to the seat base bracket (9) and engage the seat adjuster (5).

Follow on task

(1)

Check the operation of the seat base bracket adjuster (6).