National Mower HY70OM-8/992, HYD70OM-8/99 owner manual Lift ARM and Drive Assembly

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LIFT ARM AND DRIVE ASSEMBLY


Item	Part No. Description	Qty. Item			Part No.	Description	Qty.

1	302076	ARM, Lift	1
2	07458	CHAIN* Three Wheel Drive (5 Links)	1
3	302325	SUPPORT, Bearing	6
4	06127	BLOCK, Bearing	12
5	302161	STRAP, Lift	1
6	04540	SPRING, Belt Idler	1
7	302070	FRAME	1
8	302082	ARM,Idler	1
9	07365	CHAIN	4
10	03631	PULLEY,Idler	1
11	06038	BEARING, Thrust	3
12	302169	ARM, Push (Includes #21)	1
13	03629	PULLEY	1
14	302455	BAR, Lift	1

15	03630	PULLEY	3
16	04012	KEY, Woodruff	3
17	302172	ARM, Push (includes #21)	1
18	302227	SHAFT	1
19	05073	SHAFT, Push Arm	1
20	06125	BEARING, Pillow Block	2
21	06032	BUSHING	4
	06124	BEARING, Flange	1
23	302360	SCRAPER, Pulley	3
24	302114	BRACKET	1
25	04073	CLEVIS AND PIN	2
26	302702	ROD, Lift Link	1
27	07265	CHAIN (6 Links)	1
28	302611	SPACER	2

* Three Wheel Drive

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NATIONAL® HYDRO 70" TRIPLEX

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Contents Hydro 70 Triplex Raymond Avenue, St. Paul, Minnesota 55114 U.S.A Declaration of ConformityNational Mower Safe Operation Practices For Riding Mowers Table of Contents Receipt of Shipment IntroductionSpecifications Transfers Disposal NumbersNoise Emission & Vibration Transfer Description Assembly Assembly InstructionsTractor Assembly Assembly of Rear Cutting Unit to TractorAssembly of Rear Cutting UNIT, General Information Choke Interlock SwitchesThrottle Lever DROP/LIFT Needle ValveAdjustments AdjustmentsTraction Pedal Adjustment Reel Control Clutch AdjustmentHeight of CUT Adjustment Seat Switch AdjustmentAdjustment Reel Control ClutchReel END Play Adjustment Reel to Bedknife AdjustmentBacklapping Procedure Backlapping Procedure Grinding ProcedureGeneral Maintenance MaintenanceAssembly & Disassembly BED Knife Replacement Charging a BatteryMaintenance Fuel FilterHydraulic OIL Hydraulic HosesHydraulic OIL Filter Belt ReplacementHandle BAR Removal Jumper CablesCoupling Alignment Belt ReplacementGeneral Instructions StorageTractor TiresEngine will not Start Trouble Shooting GuideReel will not CUT Tractor will not MoveLubrication National Hydro 70 Triplex Reel Control Ordering Information Parts ListHY70OM-8/99 Description Qty Tank and Rear Fork AssemblyHY70OM-8/99 Steering Tower Assembly HY70OM-8/99 Knob Engine and Footrest AssemblyHY70OM-8/99 Part No. Description Qty. Item Traction Pedal and Pump AssemblyHY70OM-8/99 Lift ARM and Drive Assembly HY70OM-8/99 SKIDBAR, L.H Front Cutting Unit AssemblyHY70OM-8/99 Side PLATE, L.H Center Rear Cutting Unit AssemblyPump Wheel Motor Filter Lift Hydraulic Hose and Line Assembly Pump Wheel Motor Filter Lift Tank Hydraulic Fitting Assembly Belt Tool KIT KIt No Basket Assembly Kit NoPump Part No Height of CUT BAR Kit NoLift Valve Part No Wheel Motor Part Nos , 07388Front Roller Scraper KIT Part No Lift Cylinder Part NoValve Block Part No Rear Roller Scraper KIT Part NoNational Mower Company National Mower CompanyRaymond Avenue, St. Paul, Minnesota 55414, U.S.A