Textron Jacobsen 730325 User manual

WARNING: If incorrectly used this machine can cause severe injury. Those who use
and maintain this machine should be trained in its proper use, warned of its dangers
and should read the entire manual before attempting to set up, operate, adjust or
service the machine.
SETUP, PARTS & MAINTENANCE
MANUAL HYDRO MIDSIZE
4124039 REV A
Power Unit Models:
730325 Power Unit 15HP Kawasaki Hydro Z-Control
730326 Power Unit 17HP Kawasaki Hydro Z-Control
730327 Power Unit 21HP Kawasaki Hydro ES Z-Control
(Operation & Safety Manual: 4124040)

CALIFORNIA
Proposition 65 Warning
Diesel engine exhaust and some of
its constituents are known to the State
of California to cause cancer, birth
defects and other reproductive harm.
Californie Proposition 65
Avertissement
Les échappements des moteurs diesel
et certains de leurs composés sont
reconnus par l’Etat de Californie pour
être cancérigènes, provoquer des
défauts congénitaux et d’autres dangers
en matière de reproduction.
ADVERTENCIA
AVERTISSEMENT
WARNING
The engine exhaust from this product
contains chemicals known to the State
of California to cause cancer, birth
defects or other reproductive harm.
California Advertencia
de la Proposicion 65
El estado de California hace saber que
los gases de escape de los motores
diesel y algunos de sus componentes
producen cáncer, defectos de
nacimiento y otros daños en el
proceso de reproducción humana.
L’ é mission du moteur de ce mat é riel
contient des produits chimiques que
l’Etat de Californie consid è re ê tre
canc é rig è nes, provoquer des d é fauts
cong é nitaux et d’autres dangers en
mati è re de reproduction.
El estado de California hace saber
que los gases de escape de este
producto contienen productos
quÍmicos que producen cáncer,
defectos de nacimiento y otros daños
en el proceso de reproducción
humana.
© 2002, TEXTRON INC

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12-2002-TGTSP
IMPORTANT MESSAGE
Thank you for purchasing this Jacobsen product. You have purchased a world class mowing product, one of
the best designed and built anywhere.
This machine comes with an Operation and Safety Manual and a separate Setup, Parts and Maintenance Manual.
The useful life and good service you receive from this machine depends to a large extent on how well you read
and understand these manuals. Treat your machine properly, lubricate and adjust it as instructed, and it will give
you many years of reliable service.
Your safe use of this Jacobsen product is one of our prime design objectives. Many safety features are built in,
but we also rely on your good sense and care to achieve accident-free operation. For best protection, study the
manuals thoroughly. Learn the proper operation of all controls. Observe all safety precautions. Follow all
instructions and warnings completely. Do not remove or defeat any safety features. Make sure those who operate
this machine are as well informed and careful in its use as you are.
See a Jacobsen dealer for any service or parts needed. Jacobsen service ensures that you continue to receive
the best results possible from Jacobsen’s products. You can trust Jacobsen replacement parts because they
are manufactured with the same high precision and quality as the original parts.
Jacobsen designs and builds its equipment to serve many years in a safe and productive manner. For longest
life, use this machine only as directed in the manuals, keep it in good repair and follow safety warnings and
instructions. You'll always be glad you did.
Textron Golf, Turf & Specialty Products
One Bob Cat Lane
Johnson Creek, WI 53038-0469
TABLE OF CONTENTS FIGURES PAGE
SAFETY ......................................................................................................................................................... 2
ASSEMBLY/SET-UP INSTRUCTIONS ..................................................................................................... 3-12
LUBRICATION ....................................................................................................................................... 13, 14
MAINTENANCE ..................................................................................................................................... 15, 16
SERVICE CHART ........................................................................................................................................ 17
SERVICE RECORD ..................................................................................................................................... 18
ADJUSTMENTS...................................................................................................................................... 19-22
BELT REPLACEMENT ................................................................................................................................ 23
UPPER ENGINE DECK ASSY ........................... FIGURE 1 ................................................................. 24, 25
LOWER ENGINE DECK ASSY/CLUTCH .......... FIGURE 2 ................................................................. 26, 27
DRIVE WHEELS ................................................ FIGURE 3 ................................................................. 28, 29
PARKING BRAKE .............................................. FIGURE 4 ................................................................. 30, 31
RECOIL START UPPER HANDLE .................... FIGURE 5 ................................................................. 32, 33
ELECTRIC START UPPER HANDLE ................ FIGURE 6 ................................................................. 34, 35
TRACTION CONTROLS .................................... FIGURE 7 ................................................................. 36, 37
ELECTRIC START BATTERY ............................ FIGURE 8 ................................................................. 38, 39
HYDRAULICS .................................................... FIGURE 9 ................................................................. 40, 41
DECALS ............................................................. FIGURE 10 ............................................................... 42, 43
WIRE DIAGRAM-RECOIL START ..................... FIGURE 11 ................................................................ 44, 45
WIRE DIAGRAM-ELECTRIC START ................ FIGURE 12 ............................................................... 46, 47
WIRING SCHEMATIC-RECOIL START ............. FIGURE 13 ..................................................................... 48
WIRING SCHEMATIC-ELECTRIC START ........ FIGURE 14 ..................................................................... 49
CUTTERDECK MOUNTING .............................. FIGURE 15 ............................................................... 50, 51
HYROGEAR PUMP ........................................... FIGURE 16 ............................................................... 52, 53

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MODEL NUMBER: This number appears on
sales literature, technical manuals and price lists.
SERIAL NUMBER: This number appears only
on your mower. It contains the model number
followed consecutively by the serial number. Use
this number when ordering parts or seeking
warranty information.
SAFETY
NOTICE !!!
Unauthorized modifications may present extreme
safety hazards to operators and bystanders and
could also result in product damage.
Textron Golf, Turf & Specialty Products strongly
warns against, rejects and disclaims any
modifications, add-on accessories or product
alterations that are not designed, developed, tested
and approved by Textron Golf, Turf & Specialty
Products Engineering Department. Any Textron
Golf, Turf & Specialty Products product that is altered,
modified or changed in any manner not specifically
authorized after original manufacture–including the
addition of “after-market” accessories or component
parts not specifically approved by Textron Golf, Turf
& Specialty Products–will result in the Textron Golf,
Turf & Specialty Products Warranty being voided.
Any and all liability for personal injury and/or property
damage caused by any unauthorized modifications,
add-on accessories or products not approved by
Textron Golf, Turf & Specialty Products will be
considered the responsibility of the individual(s) or
company designing and/or making such changes.
Textron Golf, Turf & Specialty Products will vigorously
pursue full indemnification and costs from any party
responsible for such unauthorized post-manufacture
modifications and/or accessories should personal
injury and/or property damage result.
This symbol means:
ATTENTION!
BECOME ALERT!
Your safety and the safety of others is involved.
Signal word definitions:
The signal words below are used to identify levels of
hazard seriousness. These words appear in this
manual and on the safety labels attached to Textron
Golf, Turf & Specialty Products machines. For your
safety and the safety of others, read and follow the
information given with these signal words and/or the
symbol shown above.
DANGER indicates an imminently hazardous
situation which, if not avoided, WILL result in death
or serious injury.
WARNINGindicates a potentially hazardous situation
which, if not avoided, COULD result in death or
serious injury.
CAUTION indicates a potentially hazardous situation
which, if not avoided, MAY result in minor or moderate
injury. It may also be used to alert against unsafe
practices or property damage.
CAUTION used without the safety alert symbol
indicates a potentially hazardous situation which, if
not avoided, MAY result in property damage.

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GENERAL NOTE: FRONT, REAR, RIGHT HAND AND LEFT HAND REFERENCES BELOW
ARE WITH RESPECT TO AN OPERATOR AT THE CONTROLS.
ASSEMBLY/SET-UP INSTRUCTIONS
2. Remove lag bolt A from shipping clamp.
3. Raise the rear of the machine and support with
jackstands as shown. Remove and discard
shipping clamp Aand shipping sleeves B.
1. UNCRATE - Place both power unit and cutterdeck crates on a level surface. Remove sides and top from
both the power unit and cutterdeck crates.
4. Remove wire ties from the two rods W on left and
one rod W on the right side of the machine.
Remove wire tie from the parts bag Y. Remove
the rods Wfrom the upper handle shipping
bracket and the parts bag, and set them aside for
later use.

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ASSEMBLY/SET-UP INSTRUCTIONS
6. Install upper handle B to lower handle Dusing
(2) 3/8-16 X 1" bolts and (2) 3/8-16 nuts removed
in Step 5 at location E,and (2) 3/8-16 X 1-1/2"
bolts and (2) 3/8-16 nuts at location F.
5. Remove upper handle B from shipping bracket C.
Place upper handle on crate bottom. Remove
and discard shipping bracket C from lower handle
D. Retain fasteners removed for later use.
7. Install (2) springs P and (2) 3/8-16 nylon locknuts
Mfrom parts bag onto bolt Fon each side of the
machine. Attach springs to bolts on neutral return
brackets Nas shown.

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8. Open the bypass valves Xon each pump by
rotating handle counter-clockwise two revolutions.
9. Remove the power unit from the crate and support the rear of the power unit with a jack stand.
ASSEMBLY/SET-UP INSTRUCTIONS
10. Cut and remove wire ties Sfrom the control
levers A. Place the control levers in the neutral
position in the control panel.
11. Install the tracking control assembly Wremoved
in Step 4 on the left hand control Zusing pins U.
Adjust swivel Xto align with pump arm Y. Install
pin Uand tighten jam nut V.

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12. Install the right hand control rod J,the shorter of
the remaining rods removed in Step 4, on the
right hand control Gusing (2) pins H from the
parts bag. Adjust swivel Lto align with pump arm
K. Install pin H.
ASSEMBLY/SET-UP INSTRUCTIONS
13. Insert threaded end of brake rod Q through the
slot on the engine deck and attach the other end
to the brake control arm Rand secure in place
with hairpin Sas shown.

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ASSEMBLY/SET-UP INSTRUCTIONS
14. Connect swivel on threaded end of brake rod Q to
the brake arm Tand secure in place with hairpin
Sas shown. Adjust swivel to provide adequate
braking when the brake control arm is engaged.
See adjustment section of this manual.
15. Close bypass valves X by rotating clockwise until
firmly seated.
16. On Electric Start Models Only
Remove the battery cover and the battery from
the machine. Fill the battery to the bottom of the
vent wells with electrolyte and trickle charge for
several hours. Replace the battery in the
machine and make the connections, red to
positive first, then black (ground) to negative.
Install battery cover and secure with previously
removed nuts.

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ASSEMBLY/SET-UP INSTRUCTIONS
24. Attach cutterdeck per the instructions on the following pages then return to Step 25 of this section.
25. Fill engine with oil. (See engine manual for specifications.)
26. Fill fuel tank with clean, fresh unleaded fuel.
GASOLINE IS HIGHLY FLAMMABLE!
•Fill fuel tank with good quality, clean, regular unleaded gasoline.
•Do not use hi-test fuel.
•Do not smoke.
•Do not spill fuel.
•Fill outdoors.
•Do not overfill. Fill to 1" below bottom of filler neck to allow room for expansion.
•USE A FUNNEL TO FILL GAS TANK
27. Check oil level in hydraulic oil reservoir and adjust as necessary.
28. Adjust tire pressure in drive wheels and casters to 14 psi (1 kg/cm2).
29. Before attempting to start the mower, read and understand all sections of the Operation & Safety manual.
NOTICE: Special setup instructions.
• Before engaging the cutterdeck, run the engine for five minutes at full RPM. This is recommended for new
engine installation to permit complete engine lubrication prior to load.
• Do not engage the cutterdeck at full throttle. Set the throttle half way between the highest and lowest
engine speed, engage the PTO switch and increase the engine speed to full before cutting.
•
Do not use this machine without an approved grasscatcher, grass discharge chute or mulching plate(s)
correctly fitted.