4—ASSEMBLY INSTRUCTIONS
4.1—ASSEMBLY
The Hydro 70 is shipped in two separate crates, one for the tractor and one for the cutting units.
4.2—TRACTOR ASSEMBLY
1.Disassemble crating for the tractor carefully to prevent damage to components.
2.Remove the tape holding the keys in the steering shaft. Position the handlebar assembly over the shaft and key securing it with set screws provided it the handle bar.
NATIONAL® HYDRO 70" TRIPLEX
SEAT
SUPPORT
3.For removal of handle bar see Section 8.12.
4.Remove the tower cover. Refer to section 3.4 for battery specifications. Install the battery on the base inside the tower. Attach the red wire to the positive terminal of the battery and attach the black ground wire to the negative terminal of the battery. Replace and secure the tower cover.
HANDLE BAR
KEY
COVER
6.Tires should be checked and if necessary adjusted for proper inflation. Refer to Section 3.3.
7.Check the oil level in the oil tank. Refer to Section 8.10.
8.Check the oil level in the engine. Refer to 3.7 and 5.1.
4.3—ASSEMBLY OF REAR CUTTING UNIT TO TRACTOR
1.Disassemble crating for the cutting units carefully to prevent damage to components.
2.Position the rear cutting unit under the tractor. The rear cutting unit can be identified by the reel guard attached the rear of the cutting unit. Position the cutting unit with the reel pulley on the right side of the tractor.
NOTE
5.The seat base is temporally held together for shipment. Remove and discard the fastener securing the seat base to the spring plate. Position the seat slider, which is assembled to the seat, onto the seat base plate and secure with locknuts provided.
Attach the safety switch wires to the switch located under the seat. Wires can be connected to either terminal.
Belt tool kit Part# 070008 is available thru National Mower’s parts department. This tool will simplify the assembly of the cutting units.
3.Remove the tie wrap holding the pull arm and spring to the cutting unit. Assemble the pull arm to the tractor using the sleeve and fastener provided.
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