Promaster 144Z / 148Z / 152Z / 160Z Parts Manual Models 992077 19HP-144Z 992078 21HP-148Z 992079 23HP-152Z 992080 23HP-160Z 992081 25HP-152Z 992082 25HP-160Z 992310 19HP-144Z 992311 21HP-148Z 00265100 1/04 Printed in USA
THE MANUAL PRODUCT REGISTRATION Before you operate your unit, carefully and completely read manuals supplied with the unit. The contents will provide you with an understanding of safety instructions and controls during normal operation and maintenance. For your safety and the safety of others always read, understand, and follow all DANGER, WARNING, and CAUTION messages found in manuals and on safety decals. The Gravely dealer must register the product at the time of purchase.
MODELS TABLE OF CONTENTS Domestic DECALS Model 992077 19HP Kawasaki with 44” Mower Deck Serial No. 000101 and up Decals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 MAIN FRAME Model 992078 21HP Kawasaki with 48” Mower Deck Serial No. 000101 and up Frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Model 992079 23HP Kawasaki with 52” Mower Deck Serial No.
DECALS Model 992077, 078, 079, 080, 081, 082, 310, 311 4 1 07735200C DANGER / PELIGRO • Avoid injury - Stay clear of rotating parts. • Risque de blessures - ne pas s’approcher des pièces en mouvement. • Evitar lesiones - Mantenerse alejado de las piezas giratorias. 2 5 05359400 DANGER/PELIGRO 077560 07731400D 3 OFF 4 LEFT TANK 05233900 RIGHT TANK 5 DANGER/PELIGRO 4 07731400D WARNING/AVERTISSEMENT/ADVERTENCIA Do not operate mower unless guards are in operating position or bagger is attached.
DECALS Model 992077, 078, 079, 080, 081, 082, 310, 311 1 12 11 2 10 3 07735300B 4 05358600 9 07757600A 5 4.5 4 07757500A 3.5 3 2.5 2 8 5 1.5 1 6 05354700 7 PD3283 Item Part No. 1 2 3 4 5 6 7 8 9 10 11 12 05359200 07735300 05358900 05358700 05358800 05359000 07757600 07734600 05234500 05359100 05233300 05232000 05304300 05354700 07757500 05358600 05225500 05305100 Qty.
FRAME Model 992077, 078, 079, 080, 081, 082, 310, 311 8 11 4 10 5 6 9 2 16 7 8 10 1 2 3 14 17 12 15 Item 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Part No. 09281251 09281351 06530400 09267151 06543100 09292251 07049900 07053300 07412900 05947500 07533600 09283251 09282653 09267251 06223900 06542000 09297253 07414100 Qty. 1 1 6 1 1 1 2 2 8 1 6 1 1 1 4 4 1 2 13 Description Intermediate Z Frame (077, 078, 079, 081) Intermediate Z Frame (080, 082) Nut, Spin Lock Flange .
SEAT Model 992077, 078, 079, 080, 081, 082, 310, 311 1 077, 078, 079, 080, 081, 082 9 11 2 8 3 310, 311 2 10 9 5 7 4 6 3 2 10 6 7 PD3560 Item 1 2 3 4 5 6 7 8 9 10 11 Part No. 09214500 06543100 06543100 034738 00164351 09282700 05717100 06432500 044486 05946800 06543500 07531700 Qty. 1 4 5 2 1 1 2 2 1 2 2 1 Description Seat Nut, Locking Top Flange .31-18 (077, 078, 079, 080, 081, 082) Nut, Locking Top Flange .31-18 (310, 311) Bushing, Flange .515 x .750 x .745 x 1.
ENGINE AND CLUTCH Model 992077, 078, 079, 080, 081, 082, 310, 311 27 see "Fuel Tanks" A 32 1 25 26 3 29 15 31 14 6 5 19 17 4 18 4 13 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 21 24 7 9 10 11 12 8 081, 082 1 33 23 20 Item 35 31 30 16 2 1 28 34 077, 078, 079, 080, 310, 311 6 22 Part No. Qty.
FUEL TANKS AND HOSES Model 992077, 078, 079, 080, 081, 082, 310, 311 9 7 2 4 3 6 3 4 11 10 5 4 3 9 2 see "Engine and Clutch" 4 A 3 6 2 1 14 11 12 13 5 10 6 8 6 PD3660 Item 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Part No. Qty. 09281500 1 05947000 8 06308600 8 06435700 8 021134 75 in 06939100 4 00191100 1 09258200 1 09239500 2 050246 AR 07064500 AR 06918200 1 05948700 1 06542000 1 Description Tank, Gas - Right Hand Bolt, Hex .31-18 x .75 Grade 5 Washer, Locking .31 x .
TRANSMISSION Model 992077, 078, 079, 080, 081, 082, 310, 311 23 8 9 28 25 27 8 11 31 30 9 10 1 28 26 20 17 21 12 22 14 Item 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 3 24 2 13 10 19 18 10 15 16 10 4 2 3 29 24 4 5 6 7 7 Part No. Qty.
MOTORS AND WHEELS Model 992077, 078, 079, 080, 081, 082, 310, 311 13 7 18 17 21 22 15 14 16 10 17 11 19 10 20 2 14 3 16 7 18 2 13 5 1 10 9 10 12 4 6 8 23 6 PD3680 Item 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Part No. Qty.
BRAKES Model 992077, 078, 079, 080, 081, 082, 310, 311 5 6 4 19 5 6 2 10 11 30 15 12 7 24 14 5 20 1 6 29 4 19 5 27 32 13 5 19 25 28 19 31 3 22 Part No. 09267300 05947000 09248000 08328500 06436200 06529400 00258700 06439200 09267700 05534100 05709200 010174 05503100 05500900 124549 00258600 05714600 09284000 06714800 09269300 124545 05947500 05717100 039360 09268400 09275900 09200600 06543100 09268300 411027 09268100 09279000 09279100 08328700 06529800 Qty.
LIFT VALVE AND CYLINDER Model 992077, 078, 079, 080, 081, 082, 310, 311 5 4 1 3 2 16 9 15 18 21 23 17 6 22 7 14 13 8 19 24 10 12 11 20 PD3580 Item 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Part No. 09285000 06543100 05952600 09283051 07412900 09250300 09245100 00184500 09215200 05930700 06309500 09221600 06535300 06539600 05965800 06543600 06445000 05532100 09212200 09212300 09252000 09293600 09260800 06536900 Qty.
HYDRAULIC TANK, FILTER AND PUMP TO TANK CIRCUIT Model 992077, 078, 079, 080, 081, 082, 310, 311 6 5 14 13 8 12 15 2 10 12 7 17 3 9 7 1 16 10 12 4 16 10 11 9 PD3590 Item 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Part No. 09072100 05947900 06308400 09246900 00161051 09273900 07061100 07412900 018828 07017500 00161200 018818 07000002 09286900 09282500 00161100 09234700 Qty. 1 2 2 1 1 1 2 2 2 3 1 3 1 1 1 2 1 Description Head, Filter Bolt, Hex .25-20 x .50 Grade 5 Washer, Locking .
DECK LIFT AND MOTORS TO PUMP CIRCUITS Model 992077, 078, 079, 080, 081, 082, 310, 311 1 4 1 10 12 3 3 7 9 2 6 9 4 8 5 7 13 9 9 11 12 PD3690 Item 1 2 3 4 5 6 7 8 9 10 11 12 13 Part No. 07063700 07063800 07067500 09283600 09275600 09249400 07063900 036313 07059900 09281800 09281700 07062100 09275400 Qty.
HYDRAULIC DIAGRAM Model 992077, 078, 079, 080, 081, 082, 310, 311 Lift Cylinder Lift Valve Return Deck Lower A B Deck Lift Inlet Left Pump Right Pump B B Upper Reverse High Pressure A Reverse High Pressure Forward High Pressure A Forward High Pressure Upper A A Left Wheel Motor B B Lower Lower Right Wheel Motor Oil Tank Oil Filter PRESSURE RETURN SUCTION PD0740 16
CONTROL PANEL Model 992077, 078, 079, 080, 081, 082, 310, 311 2 2 1 4 3 5 PD3650 Item 1 2 3 4 5 Part No. 09284951 06116700 06949400 06950100 06949500 06536000 Qty. 1 6 1 1 1 4 Description Panel, Control Screw, Machine 10-24 x .
STEERING CONTROLS Model 992077, 078, 079, 080, 081, 082, 310, 311 22 12 4 33 66 22 21 31 25 11 1 12 25 27 17 18 11 16 14 24 19 15 13 31 7 19 16 32 17 12 15 30 2 8 14 29 9 13 20 12 28 5 12 14 3 3 5 10 8 3 26 9 3 23 20 PD3630 18
STEERING CONTROLS Model 992077, 078, 079, 080, 081, 082, 310, 311 Item 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 Part No. Qty.
DECK LIFT Model 992077, 078, 079, 080, 081, 082, 310, 311 7 12 13 9 8 13 8 10 9 2 14 3 6 8 13 8 11 4 13 5 3 1 12 PD3640 Item 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Part No. 09289700 050203 018355 124553 06443000 09289800 09290000 010174 036407 026300 09289900 00164700 05800700 06435300 Qty. 1 1 2 1 2 1 1 4 2 2 1 2 4 1 Description Weldment, Lift Arm Ring, Retaining External 1.00 x .078 Bushing, Flange Nylon 1.020 x 1.385 x .75 x 1.75 Key, Woodruff .25 x 1.00 Washer, Flat Steel 1.063 x 2.
CONTINUITY DIAGRAM Model 992077, 078, 079, 080, 081, 082, 310, 311 The diagrams below show the various states of connection for electrical components. The solid lines on switches show continuity. NOTE: All switches are viewed from the rear.
ELECTRICAL SYSTEM Model 992077, 078, 079, 080, 081, 082, 310, 311 14 13 11 15 13 5 4 6 30 14 11 26 3 9 8 16 10 12 28 1 21 2 22 7 17 23 19 19 20 27 25 24 33 32 31 34 18 29 PD3620 22
ELECTRICAL SYSTEM Model 52992077, 078, 079, 080, 081, 082, 310, 311 Item 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 Part No. Qty.
WIRING DIAGRAM Model 992077, 078, 079, 080, 081, 082, 310, 311 SEAT SWITCH SEAT / PTO RELAY PINK 87a 87 1 2 30 AUXILIARY POWER SUPPLY BLACK YELLOW / RED PTO SWITCH HOUR METER (Optional) 7 1 4 3 PURPLE BLACK YELLOW / RED 9 OIL LIGHT OIL PRESSURE 85 86 BLUE / WHITE 5 FUEL SOLENIOD START RELAY ENGINE REGULATOR BROWN / YELLOW YELLOW / RED 3 PURPLE 1 BLACK MAGNETO KILL 2 87 86 87a WHITE / BLACK 85 30 YELLOW / RED STARTER SOLENOID BLUE 6 KEY SWITCH BLACK RED A B RED 1 A
MOUNTING BRACKETS Model 992077, 078, 079, 080, 081, 082, 310, 311 5 4 7 6 1 7 3 7 5 5 4 6 6 60" Deck 1 5 7 6 52" Deck 1 3 1 2 1 3 1 2 44" & 48" Decks 2 PD3830 Item 1 2 3 4 5 6 7 Part No. 09290153 06223600 06542000 09284700 05959700 06543300 06543600 Qty. 4 8 8 4 8 8 8 Description Bracket, Mower Mounting Bolt, Round Head Square Neck .38-16 x 1.00 Grade 2 Nut, Locking Top Flange .38-16 Chain, Link Bolt, Hex .50-13 x 2.00 Grade 5 Nut, Spin Lock Flange .50-13 Nut, Locking Top Flange .
DECK, DISCHARGE CHUTE AND BAFFLES Model 992077, 078, 079, 080, 081, 082, 310, 311 8 11 8 8 7 13 8 8 10 4 5 8 12 11 1 2 15 11 6 14 9 9 11 3 8 9 16 9 Item 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Part No.
MOUNTING ARMS AND BELT GUARDS Model 992077, 078, 079, 080, 081, 082, 310, 311 20 18 19 16 6 19 5 13 10 6 9 3 1 17 11 2 18 4 11 8 3 1 14 13 7 2 1 3 2 2 9 2 10 16 13 3 9 17 9 2 16 15 9 17 11 2 9 1 15 48” Deck (Left Hand) & 52” Deck (Both Sides) 17 16 44” Deck 60” Deck 11 14 12 12 13 3 PD0770 Item 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Part No. Qty.
BELTS, SPINDLES, IDLERS AND BLADES Model 992077, 078, 079, 080, 081, 082, 310, 311 5 10 5 38 36 16 13 12 13 11 6 4 18 15 10 7 4 32 35 14 19 19 20 34 35 21 37 41 28 20 22 21 33 5 39 27 40 3 22 23 8 3 26 25 1 29 24 17 17 9 24 29 (080, 310, 311) 30 2 44” Deck 1 9 (077, 078, 079, 081) 30 31 3 2 1 52” Deck 1 3 29 2 48” Deck 3 2 1 60” Deck 31 PD3710 Item 1 2 3 4 5 6 7 Part No.
BELTS, SPINDLES, IDLERS AND BLADES Model 992077, 078, 079, 080, 081, 082, 310, 311 Item 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 Part No. Qty.
ROLLERS Model 992077, 078, 079, 080, 081, 082, 310, 311 13 12 1 13 15 16 6 14 3 12 1 6 16 13 3 4 9 11 8 5 10 7 9 PD3780 Item 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Part No. 06223600 06221400 06542000 04920853 09078100 06540600 06437300 07414200 06442800 09075300 06713100 06225900 09253700 09290353 07401900 06441900 Qty. 3 3 3 1 1 4 1 1 2 1 1 4 4 2 3 4 Description Bolt, Round Head Square Neck .38-16 x 1.00 Grade 5) (077, 078, 079, 081, 310, 311) Bolt, Round Head Square Neck .38-16 x 1.
GRAVELY A Division of Ariens Company 655 West Ryan Street P.O. Box 157 Brillion, WI 54110-0157 920-756-2141 Fax 920-756-2407 www.gravely.