Dixon Lawn Mower ZTR 428 D 429 User Guide

TECHNICAL DATA BROCHURE - ZTR 428 d 429  
Page 1  
IMPORTANT - READ OPERATOR'S MANUAL BEFORE OPERATING OR MAKING ADJUSTMENTS  
Deluxe Seat Adjustment  
Easy hand lever action allows forward and backward movement of seat. No bolts to loosen or  
tighten.  
Mower Blade Operation  
1. To start mower blades, pull up slightly on blade drive switch handle and move it  
forward to the "ON" position. 2. To stop mower blades, move switch  
handle to the "OFF" position.  
Body Removal  
1. Disconnect throttle cable from engine.  
2. Disconnect rear wiring loom from the body by turning the threaded collar on connector, in a  
counterclockwise direction. This plug is located at the right rear of body.  
3. Remove the four control lever bolts and remove upper control levers (P/N 9079 & 9080).  
4. Remove the two acorn nuts on floor of body and release latches on the rear of body  
near each side.  
5. Place height adjustment lever in the vertical position, engage the parking brake and  
carefully lift body off the chassis.  
6. Reverse above procedures to install body.  
Safety Checks - "IMPORTANT"  
1. After reassembly of body onto chassis and while seated on the mower, attempt to start the  
engine with mower deck engaged. The engine should not start. If engine does start, return mower  
to an Authorized Dixon Dealer for adjustment or repair.  
2. Disengage mower deck and start engine with the operator in a normal seated position on the  
mower. Engage mower deck and remove weight from the seat. The engine should stop. If engine  
does not stop when operator rises from seat, return mower to an Authorized Dixon Dealer for  
adjustment or repair.  
Parking Brake Adjustment  
1. Remove body as described above.  
2.  
Adjustment points are located at rear of transaxle 'on each side.  
Remove roll pins  
from swivel fitting (P/N 2172). Turn swivel fitting on brake rod (P/N 5100) in to  
tighten, just enough to prevent brake from slipping when engaged.  
3. Reinstall roll pin.  
CAUTION: Over tightening may cause premature wear on brake band (P/N 5085).  
Mower Deck Drive Adjustment  
No adjustment necessary! The spring loaded idler pulley maintains proper tension throughout  
belt life.  
Removing Mower Deck  
1. Remove mower deck drive belt (P/N 6111) by pulling idler pulley (P/N 1687) away from belt and  
remove belt from the rear pulley.  
2. Remove the two clevis pins (P/N 3072) from the L -rods at rear of deck and slide free from  
slots.  
3. Remove the clevis pin (P/N 3072) from the lift linkage at the front of deck.  
4. Remove cotter pin from shaft (P/N 1332) located at front of mower deck on slide  
plates welded at battery box. Slide shaft free.  
5. Raise front of mower and roll it free of mower deck assembly.  
6. To install deck, reverse above procedure.  
Removing Mower Blade  
1. Secure mower blade (P/N 6231) from turning.  
2. Observe blade position when removing.  
3. Remove blade bolt (P/N 3268), lock washer (P/N 3065) and blade washer (P/N 6113).  
4. To reinstall, reverse above procedure.  
WARNING: Sharp edges on blade can cause injury; Caution should be exercised when  
service is required on the blade.  
(P/N 8604)  
DIXON INDUSTRIES, INC.  
Box 1569  
Coffeyville. Kansas 67337-0945  
(316)251-2000  
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THE FOLLOWING INSTRUCTION REFER TO 1989 PTOFUVYION 42” MOERT FRVKD  
Installation:  
1.  
Position mower deck assembly under frame, raise front of mower deck assembly  
enough to allow cross shaft (P/N 1332) to slide through frame guides and mower  
deck guides. Install (1) washer (P/N 3094) and (1) hair pin cotter (P/N 3072) on each  
end of the cross shaft.  
2.  
Attach short L-rod (P/N 1355) to l i f t arms as shown in drawing.  
3.  
Attach long L-rod (P/N 1409) to rear lift arms as shown in drawing.  
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Page 10  
4.  
Note: It is possible to install the engine to mower deck drive belt CP/N  
6111) at this time; however, our engine manufacturers have suggested that this  
belt be installed after the engine has been fully serviced per manufacturers'  
suggestions and allowed to operate at 1/2 to 3/4 throttle settings for  
approximately C3) minutes. This will place the initial start up of the engine  
in a no load situation and allow complete engine lubrication.  
Adjustment:  
1.  
2.  
Install engine to mower deck drive belt (P/N 6111).  
Check and adjust tire pressures.  
Front 19 to 21 psi; Rear a to 12 psi.  
Tires may have been over inflated for shipping purposes.  
3.  
4.  
Place the mower on a level surface. Using the lift handle, raise the mower deck to  
a height which will allow measurements to be taken from the surfaceto the tops  
of the two outer mower deck cutter blades CP/N 6321).  
Align both outer mower deck cutter blades to obtain a side to side measurement.  
Starting with the left blade as viewed from operator's position,secure  
measurement from level surface to the bottom of the cutter blade tip rotate  
blade and check measurement on opposite end of cutter blade. Tip to tip  
measurement on the same cutter blade should not vary more than l/8th of an inch.  
Maintain measurement taken and verify against the right outer cutterblade. If  
adjustment is required, loosen or tighten the nuts on the two rear L—rods.  
5. Align both outer mower deck cutter bldaes front to rear asviewed fromoperator's  
position. Measure from surface to the bottom of the cutterblade tip, at the  
rear of the mower deck. Using the nut on the singlefront L-rod, loosen or  
tighten as required to place the mower deck at anattitude of approximately  
l/8th of an inch higher in the rear than thefront of the deck.  
£. Recheck belt routing and alignment, start engine, burnish in electric abdle  
clutch using at least C5) engagements at 3/4 to full throttle settings. Each  
engagement should last approximately C5) seconds.  
Note: The completed adjustment places the mower deck in an attitude or  
position which will produce a quality cut. Ground speed, grassconditions,  
types of grass, tire pressures, dull or bent blades and loose belts arjeust  
some of the factors which will cause poor cut quality.  
.
9/88  
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