Figure 4-45.1. Swivel block, exploded view.

TM 10-3930-631-12

(4) Assemble cup, cover (21), drum (20)

required.

and swivel (19). End of shaft must enter shaft extension.

4-58.1.

Swivel Block

Install setscrew (11) to secure shaft to extension.

a. Removal.

(5) Secure reel parts together with nuts (18).

(1) Disconnect side shift hoses (1) from top

Install new packings (10) in block (9) and secure lock to

of swivel block (2) (see figure 4-45.1).

end of shaft with screws (7) and lock washers (8).

(2) Disconnect side shift cylinder hoses (3)

e. Installation.

from beneath block.

(1) Install hose reel (2) on mounting block

(3) Remove nuts (4) and remove fittings (5)

(6) on mast and secure hose reel to mounting block with

from swivel block. Remove block from bracket.

two long screws (4) and lock washers (5).

b. Disassembly.

(2) Remove plugs from hoses (1) and reel

(1) Remove elbow (6) and packing (7).

and connect hoses to hose reel.

Discard packing.

(3)

Reel hoses onto reel to position

TA501867

Figure 4-45.1. Swivel block, exploded view.

(2) Remove outer retaining ring (8), washer

WARNING

(9) and felt seal (10). Slide shaft from housing.

Cleaning compound, solvent (Fed.

(3) Remove teflon rings (11) and packing

Spec. P-D-680), used for cleaning, is

(12) from shaft. Discard rings and packing. Remove

potentially dangerous to personnel and

retaining ring (8), washer (9) and felt seal (10) from shaft

property. Do not use near open flame.

(13).

Flash point of solvent is 100F to 138F

c. Cleaning, Inspection and Repair.

(38C to 590C).

(1)

Clean all metal parts in cleaning

compound, solvent (Fed. Spec. P-D-680) and dry

thoroughly.

Change 2 4-51.1