Maintenance, Impeller Removal, General

MAINTENANCE

USE ONLY A QUALIFIED MECHANIC FOR

ANY ADJUSTMENTS, DISASSEMBLY OR

ANY KIND OF REPAIR.

WARNING: TO AVOID PERSONAL INJURY, ALWAYS TURN MACHINE OFF, MAKE SURE ALL MOVING PARTS COME TO A COMPLETE STOP.

DISCONNECT SPARK PLUG WIRES &

BATTERY CABLES BEFORE SERVICING

UNIT.

ENGINE: SEE ENGINE MANUFACTURER

OPERATOR'S INSTRUCTIONS.

RECONNECT ALL GUARDS AND HOSE

BEFORE STARTING ENGINE.

USE ONLY BILLY GOAT ORIGINAL

EQUIPMENT PARTS FOR

REPLACEMENT AND REPAIR

GENERAL

Replace any worn or damaged parts as required.

DO NOT operate if excessive vibration occurs. If excessive vibration occurs, shut engine off immediately. Remove spark plug wire and check for damaged impeller, loose impeller bolt, loose impeller key or lodged foreign objects. Refer to parts list (item 16) on page 11 for proper torque specifications.

IMPELLER REMOVAL

1.Wait for engine to cool and disconnect spark plugs from the both sides of the engine.

2.Disconnect the negtive battery cable (black) (item 12) from the battery.

3.Remove the hose coupler assy from the unit (item 36).

4.Remove the hose boom assembly.

5.Remove the intake housing assembly (item 33) using 1/2" socket and socket wrench to remove (12) locknuts and washers (item 60 & 63). Be careful to place intake assembly to the side without putting excess strain on safety switch wire harness

6.Remove impeller bolt and lock washer using 5/8" socket and impact wrench (see fig. 6).

7.Once bolt is removed impeller should slide out freely. If impeller will not slide free on crankshaft, obtain a 3/4"-10 x 3" bolt and thread it into the nut that is welded onto the center of the impeller and tighten slowly to push the impeller off the crankshaft.

Note: 3/4"-10 x 3" bolt is included in each impeller replacement kit or the bolt can be ordered from your local Billy Goat Dealer (part no. 790214).

8.When impeller is free of the engine shaft, align impeller with the opening and pull it straight out of the housing.

9.Using a new impeller bolt, washer, and lockwasher, reinstall new or repaired impeller in reverse order.

Note: Be sure spacer is in place behind impeller before tightening.

10. Tighten impeller bolt. Torque impeller bolt to [ 60 Ft. Lbs. (81.4 N.m)]. 11. Repeat steps 2 through 5 in reverse order.

12. Reinstall spark plug wires.

ENGINE

Remove and Service foam air cleaner and inner air filter every 25 hours of use or every 10 hours or less for extremely dusty conditions (see engine manual).

Keep engine and engine cooling fins clean from dust and debris build-up.

When servicing engine refer to specific manufacturers engine owner's manual. All engine warranty is covered by the specific

engine manufacturer. If your engine requires warranty or otherFig. 6 repair work contact your local servicing engine dealer. When

contacting a dealer for service it is a good idea to have your engine model number available for reference(See table page 1). If you can not locate a servicing dealer in your area you can contact the manufacturers national service organization.

To reach:

KOHLER ENGINES: 800-544-2444

www.kohlerengines.com

Part No. 790321

Page 8 of 12

Form No. F050304B