Douglas Dynamics SnowEx Brine Pro 2000 Manuale - Pagina 7

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4. Install the ceramic seal half into the impeller

rubber ﬁ rst, with the ceramic surface facing

out. The seal half is pressed into the hub of the

impeller by using an arbor press or similar tool

that will provide a uniform press ﬁ t. The outside

diameter of the rubber boot may be sparingly

coated with silicone grease to ease installation.

Be absolutely sure that the ceramic seal half

is bottomed out and installed squarely. If the

installation is not square, seal wobble will occur,

leading to premature seal failure. Care must be

used when handling the seal to not scratch the

seal surface.

5. Install the impeller key shaft and impeller onto the

engine drive shaft. Secure the impeller to the drive

unit shaft with the impeller bolt gasket and the

5/16" x 1-1/8" hex ﬂ ange cap screw. Tighten the

cap screw until snug.

Lit. No. 11814, Rev. 00

Impeller

Key

Impeller

Bolt

Gasket

5/16" x 1-1/8" Hex

Flange Cap Screw

6. Install the O-ring segment and O-ring -375. Lightly

coat with silicon grease to secure.

Reinstall the volute onto the rear bracket using

the three volute screws. Reinstall the check valve

onto the snout of the volute. The drive unit should

be turned over a few times to check for clearance

between the impeller and volute. A small amount

of drag between the impeller and volute will cause

no problem; however, if the drive unit will not turn

over because of the lack of clearance, a shim may

have to be used.

TPS-200

O-Ring

-375

O-Ring

Segment

Rear Bracket

Volute

Screws

Check

Valve

October 1, 2017