Page 1
Operator And
Parts Manual
Grass Catcher
For
48 Inch and 54 Inch
Model:
MANUAL NO. (539) 113943 REV. IR (01/23/07)
968999515 - 48”/54”
Page 2
SAFETY RULES
SAFE OPERATION PRACTICES FOR RIDE-ON MOWERS
DANGER !
THIS CUTTING MACHINE IS CAPABLE OF AMPUTATING HANDS AND FEET AND THROWING
OBJECTS. FAILURE TO OBSERVE THE FOLLOWING SAFETY INSTRUCTIONS COULD
RESULT IN SERIOUS INJURY OR DEATH.
I. GENERAL OPERATION
• Read, understand and follow all instruc-
tions in the manual and on the machine
before starting.
• Only allow responsible adults, who are
familiar with the instructions, to operate the
machine.
• Clear the area of objects such as rocks,
stones, toys, wire etc., which could be
picked up and thrown by the blades.
• Be sure the area is clear of all people and
pets before mowing. Stop the machine if
anyone enters the area.
• Never carry passengers or children even with
blades off.
• Do not mow in reverse unless absolutely
necessary. Always look down and behind
before and while backing.
• Be aware of the mower discharge direction
and do not direct it towards anyone. Do not
operate the mower without either the entire
grass catcher or the guard in place.
• Slow down before turning.
• Never leave the machine unattended when
the engine is running. Always turn off the
blades, set the parking brake, stop the
engine and remove the key before leaving
the machine.
• Turn off blades when not mowing.
• Stop engine before removing grass catcher
or unclogging chute.
• Mow only in daylight or good artificial light.
• Do not operate the machine while under the
influence of alcohol or drugs.
• Watch out for traffic when operating near or
crossing roadways.
• Use extra care when loading and unloading
the machine onto a trailer or truck.
• Data indicates that operators, age 60 years
and above, are involved in a large percentage of riding mower-related injuries. These
operators should evaluate their ability to
operate the riding mower safely enough to
protect themselves and others from serious
injury.
• DO NOT operate mower with grass catcher,
unless the front weights are installed.
• Keep machine free of grass, leaves or other
debris buildup which can touch hot exhaust/
engine parts and burn. Do not allow the
mower deck to plow leaves or other debris
which can cause buildup to occur. Clean
any oil or fuel spillage before operating or
storing the machine. Allow machine to cool
before storage.
II. SLOPE OPERATION
Slopes are a major factor related to loss-ofcontrol and tip-over accidents, which can result
in severe injury or death. All slopes require extra
caution. If you cannot back up the slope or if you
feel uneasy on it, do not mow it.
DO:
• Mow up and down slopes (10° Max.), not
across.
• Remove obstacles such as rocks, tree
limbs, etc.
• Watch for holes, ruts, or bumps. Uneven
terrain could overturn the machine. Tall
grass can hide obstacles.
• Use slow speed. Choose a low speed so
that you will not have to stop while on the
slope.
• Use extra care with grass catchers or other
attachments. These can change the
stability of the machine.
• Keep all movement on the slopes slow and
gradual. Do not make sudden changes in
speed or direction.
• Avoid starting or stopping on a slope. If tires
lose traction, disengage the blades and
proceed slowly straight down the slope.
©2006 HTC. All Rights Reserved.
2
Beatrice, NE. Printed in U.S.A.
Page 3
SAFETY RULES
SAFE OPERATION PRACTICES FOR RIDE-ON MOWERS
DO NOT:
• Do not turn on slopes unless necessary,
and then, turn slowly and gradually downhill,
if possible.
• Do not mow near drop-off, ditches, or
embankments. The mower could suddenly
turn over if a wheel is over the edge of a cliff
or ditch, or if an edge caves in.
• Do not mow on wet grass. Reduced traction could cause sliding.
• Do not try to stabilize the machine by
putting your foot on the ground.
• Do not use grass catcher on steep slopes.
III. CHILDREN
Tragic accidents can occur if the operator is not
alert to the presence of children. Children are
often attracted to the machine and the mowing
activity. Never assume that children will remain
where you last saw them.
• NEVER allow children to operate the
machine.
• Keep children out of the mowing area and
under the watchful care of another responsible adult.
• Be alert and turn off the machine if children
enter the area.
• Before and when backing, look behind and
down for small children.
• Never carry children. They may fall off and
be seriously injured or interfere with safe
machine operation.
• Use extra care when approaching blind
corners, shrubs, trees, or other objects that
may obscure vision.
IV. SERVICE
• The operation of any mower can result in
foreign objects thrown into the eyes, which
` can result in severe eye damage. Always
wear safety glasses or eye shields while
operating your mower or performing any
adjustments or repairs. We recommend a
wide vision safety mask over spectacles or
standard safety glasses.
• Use extra care in handling gasoline and
other fuels. They are flammable and vapors
are explosive.
- Use only an approved container.
- Never remove gas cap or add fuel with the
engine running. Allow engine to cool before
refueling. Do not smoke.
- Never refuel the machine indoors.
- Never store the machine or fuel container
inside where there is an open flame, such
as a water heater.
• Never run a machine inside a closed area.
• Keep nuts and bolts, especially blade
attachment bolts, tight and keep equipment
in good condition.
• Never tamper with safety devices. Check
there proper operation regularly.
• Keep machine free of grass, leaves, or other
debris buildup. Clean oil or fuel spillage.
Allow machine to cool before storing.
• Stop and inspect the equipment if you strike
an object. Repair, if necessary, before
restarting.
• Never make adjustments or repairs with the
engine running.
• Grass catcher components are subject to
wear, damage, and deterioration, which
could expose moving parts or allow objects
to be thrown. Frequently check components
and replace with manufacturer’s recommended parts, when necessary.
• Mower blades are sharp and can cut. Wrap
the blade(s) or wear gloves, and use extra
caution when servicing them.
• Check brake operation frequently. Adjust and
service as shown in the Operator’s manual.
3
Page 4
SAFETY RULES
SAFE OPERATION PRACTICES FOR RIDE-ON MOWERS
CAUTION
Look for this symbol to point out important safety precautions. It means CAUTION!!! BECOME ALERT!!! YOUR SAFETY
IS INVOLVED.
CAUTION
In order to prevent accidental starting when
setting up, transporting, adjusting or making repairs, always disconnect spark plug
wire and place wire where it cannot contact
spark plug.
WARNING
DO NOT tow any trailers, etc. with this
mower. They may jackknife or over turn
causing damage to the mower and possibly serious injury to the operator.
WARNING
Engine exhaust, some of its constituents,
and certain vehicle components contain or
emit chemicals known to the State of California to cause cancer and birth defects or
other reproductive harm.
WARNING
Battery posts, terminals and related accessories contain lead and lead compounds,
chemicals know to the State of California to
cause cancer and birth defects or other reproductive harm. Wash hands after handling.
4
Page 5
CONGRATULATIONS on your purchase of a
new Grass Catcher. It has been designed, engineered and manufactured to give you the best
possible dependability and performance.
Should you experience any problem you cannot
easily remedy, please contact your nearest authorized service center/ department. They have
competent, well-trained technicians and the
proper tools to service or repair this mower.
Please read and retain this manual. The instructions will enable you to assemble and maintain
your Grass Catcher properly. Always observe the
"SAFETY RULES”.
NOTE: To make debris disposal easier 30 gallon
(3.0 mil) plastic trash bags may be inserted in
plastic grass containers.
KNOW YOUR GRASS CATCHER
READ THIS OPERATION MANUAL AND SAFETY
RULES BEFORE ASSEMBLING OR OPERATING
YOUR GRASS CATCHER. Compare the illustrations with the carton contents to familiarize yourself with the parts before starting the assembly.
Study the operating instructions and safety precautions thoroughly to insure proper functioning of
your Grass Catcher and to prevent injury to yourself and others. Save this manual for future reference.
WARNING
The operation of any mower can result in
foreign objects thrown into the eyes, which
can result in severe eye damage. ALWAYS
wear safety glasses or eye shields before
starting your mower and while mowing. We
recommend a wide vision safety mask for
over the spectacles or standard safety
glasses.
TABLE OF CONTENTS
SAFETY RULES ........................................... 2-4
CARTON CONTENTS ..................................... 6
ASSEMBLY .............................................. 7 - 10
OPERATION .................................................. 11
CUSTOMER RESPONSIBILITIES ................. 12
STORAGE ..................................................... 12
PARTS .................................................... 14 - 17
TORQUE SPECIFICATIONS ......................... 18
5
Page 6
UNPACKING INSTRUCTIONS
•
Remove all parts and packing materials
from carton.
• Check carton contents against list. Be sure
all parts are there.
TOOLS REQUIRED FOR ASSEMBLY
(2) 1/2" Wrenches
(1) 9/16" Wrench
(1) 9/16" Socket wrench
PARTS IDENTIFICATION
CARTON CONTENTS:
3 - Container Tops 2 - Weight Plates
3 - Container Bottoms 2 - Weight Brackets
1 - Upper Chute 4 - Bolts 3/8-16 x 3 3/4"
1 - Lower Chute 8 - Nuts 3/8-16, nyloc
1 - Catcher Mount 8 - Bolts 5/16-18 x 1", GR5
1 - Cover Assembly 4 - Bolts 3/8-16 x 3 1/2”, GR5
1 - Cast Weight
COVER
ASSEMBLY
GRASS
CATCHER
CONTAINERS
UPPER CHUTE
LOWER CHUTE
DUMP BAG
INDICATOR
CHUTE LATCH
LOWER CHUTE
ATTACHING
STRAPS
NOTE: When right hand (R.H.) and left hand (L.H.) are mentioned in this manual, it means when you
are seated on the mower in the operator’s position.
CAUTION
BEFORE ASSEMBLING GRASS CATCHER TO MOWER:
• Set parking brake.
• Place motion control levers in "NEUTRAL " position.
• Turn ignition key "OFF" and remove key.
• Make sure the blades and all moving parts have completely stopped.
• Disconnect spark plug and place wire where it cannot come in contact with plug.
6
Page 7
ASSEMBLY
BAGGER SUPPORT ASSEMBLY
(See Figures 1A and 1B)
1
1. Remove rear engine guard (if installed) by
removing the six bolts that attach the guard to
the frame.
2. Place hitch Part No. 539113090 on the rear of
the mower.
ENGINE
GUARD
BOLTS
REAR ENGINE GUARD
ENGINE
GUARD
BOLTS
ENGINE
GUARD
BOLTS
MOUNTING COVER ASSEMBLY TO
SUPPORT ASSEMBLY
2
(See Figure 2)
NOTE: For ease of assembly, you may wish to
obtain the assistance of another person for
mounting cover assembly to mower.
1. Position cover assembly on ground behind
mower as shown.
2. Lift and rotate cover to align cover brackets
with support assembly tubes.
3. Slide cover assembly down onto the support
tubes.
COVER
ASSEMBLY
FIGURE 1A
3. Install two (2) previously removed bolts
(539107475) thru rear of the hitch weldment.
4. Secure the sides of the hitch to the frame
with four (4) bolts (539107899) and four (4)
washers (539990598) two per each side.
BOLT, 5/16-18 X 3/4, GR8
WASHER, 1/4
SUPPORT
ASSEMBLY
FIGURE 2
PREVIOULY REMOVED
HARDWARE
HITCH
FIGURE 1B
7
Page 8
ASSEMBLY
CONTAINER ASSEMBLY
(See Figure 3)
3
1. Place bottom half inside of top half, as shown.
2. Place one foot inside bottom half and lift top
half to meet bottom half.
3. Press halves tightly together while lifting top
to lock into place as shown.
IMPORTANT: BEFORE LOCKING THE TABS,
HOOKED EDGES ON BOTH HALVES MUST
OVERLAP TO FORM SEAL AS SHOWN IN INSET.
4. Repeat for other containers.
CONTAINER
BOTTOM
HALF
CONTAINER
TOP HALF
CONTAINER MOUNTING
(See Figure 4)
4
1. Install one container to left side first with
warning to the outside of unit. Install another
container to center position and one in right
position.
NOTE: Right container should always overlap left
container at center supports.
2. Close cover and lock latch handles over
center support tubes.
COVER LATCH
HANDLES
CONTAINER
WARNING
CENTER
SUPPORT
TUBES
PRESS TOGETHER
TO FORM SEAL
WHILE LIFTING
CONTAINER
BOTTOM
HALF
TOP HALF
LOCKING
TAB
ASSEMBLY CHECK: Squeeze sides of lower half
of container and check that there is no gap between upper and lower halves. If a gap appears,
unlock tabs to separate container halves and repeat instructions above.
CONTAINER
HANDLE
CONTAINER
WARNING
WARNING
DO NOT operate mower unless container
is properly installed. Container is subject
to wear and deterioration, check containers frequently, replace when cracked or
damaged. Use only a recommended replacement container.
FIGURE 4
FIGURE 3
8
Page 9
ASSEMBLY
LOWER CHUTE
(See Figure 5)
5
1. Turn mower engine off.
2. Raise and hold deflector shield in upright
position.
3. Place slot in lower chute over tab on mower
deck and position lower chute over deck
opening as shown.
4. Hook rear latch into flange hole on back of
mower deck.
5. Hook front latch into tab hole on front of
mower deck.
CAUTION
Before raising deflector shield, turn mower
engine off. DO NOT remove deflector shield
from mower. Raise and hold shield when attaching lower chute and allow it to rest on
chute while in operation.
DEFLECTOR
SHIELD
UPPER CHUTE
(See Figures 6A & 6B)
6
1. Lower mower deck to its lowest cutting
position.
2. Assemble upper chute by inserting curved
end into hole in back of cover.
NOTE: Handle carefully so as not to damage dump
bag indicator.
3. Push in and turn upper chute until it is in line
with lower chute.
4. Align the bosses on lower chute with alignment slots on upper chute with alignment
slots on upper chute and slide together.
5. Secure with rubber latch by hooking hole in
latch over latch pin.
UPPER
CHUTE
COVER
DUMP BAG
INDICATOR
HANDLE
TAB
FRONT
LATCH
FIGURE 6A
ALIGNMENT
SLOT
BOSSES
FIGURE 6B
LEVEL MOWER DECK
LOWER
CHUTE
LATCH PIN
RUBBER
LATCH
FIGURE 5
REAR LATCH
7
Be sure deck is properly leveled for best mower
performance. See your mower operator’s manual
for instructions.
9
Page 10
ASSEMBLY
FRONT WEIGHTS
8
(See Figure 8)
CAUTION
DO NOT operate mower with grass catcher,
unless the front weights are installed.
1. Remove foot rest from the front of the mower.
2. Remove the two (2) front bolts that secure
the caster casting to the sides of the frame.
3. Remove the two (2) bolts that secure the
caster castin to the bottom of the frame.
4. Place weight bracket on the front of the
frame.
FOOT REST
PREVIOULY REMOVED
HARDWARE
5. Secure the weight bracket to the frame with
the four (4) previously removed bolts.
6. Install weight to the weight bracket with two
(2) bolts (539990588) and two (2) nuts
(539976979).
7. Install foot rest on the weight bracket with six
(6) (539113183 and two (2) (539113182)
screws.
NOTE: the shorter screws go in the center.
539113177 (CAST WEIGHT)
10
539113225
(WEIGHT BRACKET)
539990588
(BOLT, 3/8-16 X 2, GR5)
539113183
(SCREW #10-12 X 1 1/4)
539113182
(SCREW #10-12 X 1)
539976979
(NUT, 3/8-16, NYLOC)
FIGURE 8
Page 11
OPERATION
TIPS FOR IMPROVED BAGGING OPERATION:
Follow the mower operation instructions in your
mower operator’s manual.
When operating your grass catcher on a lawn
where grass and leaf bagging equipment has not
been used, you are picking up thatch and debris
that has accumulated for long periods of time. The
amount collected and the total time of operation
may be greater than you will experience with regular use of your grass catcher.
• Always run throttle at full speed when bagging.
• Select a speed low enough to give good mower
cutting performance, good quality cut and good
bagging performance.
NOTE: It may be necessary to overlap width of
cut to suit your conditions.
• If grass is extremely tall, it should be mowed
twice. The first time relatively high, the second
time to desired height.
• Use left hand side of mower for trimming.
• Plastic trash bags (3.0 mil, 30 gallon) can be
inserted inside grass catcher containers for
ease of debris disposal. To remove the plastic
trash bags when full:
a. Disengage blades, shift into neutral, en-
gage the parkingbrake and stop the engine.
b. Unlatch and raise cover.
c. Remove one container at a time by grasp-
ing container handles and pulling toward
the rear, off of the tube rails.
d. With the container resting on the ground,
close and secure the top of the plastic lawn
bag.
e. Tip the container on its side and slide the
filled bag from the container.
f. Install a new plastic lawn bag with the
edges of the bag draped over upper lip of
the Container (for replacement bags refer
to REPLACEMENT PARTS).
g. Repeat for other containers.
h. Reinstall containers making sure right con-
tainer overlaps left container at center sup-
ports.
i. Close cover and secure latches over cen-
ter support tubes.
• Avoid cutting wet grass or in the morning while
the dew is still heavy. Grass clippings collected
under these conditions tend to be sticky and
adhere to the walls of the flow path causing
clogging.
• Your bagger is equipped with a dump bag indicator. As the bags become full, the flow indicating ball will drop down in its slot, indicating
that the bags are full or the chutes have become clogged. Care should be taken not to damage the parts and that the ball moves freely at
the beginning of each use.
• If the grass catcher fails to pick up cut grass or
leaves, it is an indication that clogging has occurred in the system or that the grass catcher
containers are full.
a. Disengage blades, place motion control
levers in neutral position, engage parking
brake and stop engine.
- Unlatch and raise cover.
- Slide out containers and dispose of clippings.
- Replace containers, close cover, and latch.
b. Unlatch chutes and check for clogging.
- Remove all debris in chute.
- Reassemble and latch chutes.
c. Check to insure dump bag indicator has
not become clogged.
- The air passage hole must be clear of
debris.
Gently insert a small twig or wire into
passageway to clear.
CAUTION
• DO NOT operate mower with grass
catcher partially installed.
• Disengage blades and stop engine before leaving mower seat to empty containers, unclogging chutes, etc.
• Close cover before starting.
• Disengage mower blades when crossing
driveways or gravel surfaces and other
areas where thrown objects could be a
hazard.
• DO NOT attempt to vacuum up cans or
other potentially hazardous projectiles.
11
Page 12
CUSTOMER RESPONSIBILITIES
GENERAL RECOMMENDATIONS:
Always observe safety rules when performing any
maintenance.
• Before each use check for loose fasteners.
• Clean unit thoroughly after each use.
BLADE CARE:
For best results mower blades must be kept sharp.
Replace bent or damaged blades.
• See BLADE CARE instructions in your mower operator’s manual.
CAUTION
BEFORE PERFORMING ANY MAINTENANCE, SERVICE OR ADJUSTMENTS:
• Set parking brake.
• Place motion control levers in "NEUTRAL" position.
• Place clutch control in "DISENGAGED"
position.
• Turn ignition key to "OFF" position.
• Make sure blades and all moving parts
have completely stopped.
• Disconnect spark plug wire(s) from spark
plug(s) and place wire where it cannot
come in contact with plug.
STORAGE:
When grass catcher is to be stored for a period of
time, clean it thoroughly, remove all dirt, grass,
leaves, etc. Store in a clean, dry place.
CAUTION
Do not leave grass in bagger containers.
Empty containers after each use and before storing. Failure to do so may result in
spontaneous combustion which could develop into a fire.
CAUTION
Grass catcher components are subject to
wear, damage and deterioration, which
could expose moving parts or allow objects
to be thrown. Frequently check components and replace with manufacturer’s recommended parts, when necessary.
12
Page 13
PARTS ILLUSTRATION
13
Page 14
PARTS
2
3
4
5
6
24
15
15
25
24
17
25
15
1
20
23
19
18
17
14
16
7
10
11
12
15
7
13
10
19
7
9
8
13
12
14
21
22
Page 15
PARTS
ITEM PART NO. QTY. DESCRIPTION
1 ......... 532 192709 ......... 1 ......... Screen, cover
2 ......... 532 195373 ......... 1 ......... Cover
3 ......... 539 108141 ......... 1 ......... Chute, upper,
4 ......... 539 108081 ......... 1 ......... Screw, #10-14 x 1/2, special
5 ......... 539 108082 ......... 1 ......... Dump bag indicator
6 ......... 539 108083 ......... 1 ......... Screw, #10-24 x 1 1/8
7 ......... 539 108084 ......... 4 ......... Washer, 3/16 x 3/4 x 16 Ga.
8 ......... 539 108085 ......... 1 ......... Spacer, split
9 ......... 539 108086 ......... 1 ......... Nut, #10-24, acorn
10 ....... 539 109552 ......... 3 ......... Lockwasher, 3/16
11 ........ 539 108088 ......... 2 ......... Latch, chute
12 ....... 539 108089 ......... 6 ......... Nut, weld
13 ....... 539 108194 ......... 4 ......... Latch, assembly
14 ....... 539 113204 .......... 1 ......... Chute, lower, 54” deck
15 ....... 539 976952 ......... 6 ......... Screw, #10-24 x 5/8
16 ....... 539 108096 ......... 2 ......... Spring, retainer
17 ....... 539 108097 ......... 4 ......... Plug, tubing end
18 ....... 539 108098 ......... 1 ......... Bagger, frame
19 ....... 532 192786 ......... 2 ......... Pin, hinge
20 ....... 532 192550 ......... 1 ......... Gasket, cover
21 ....... 539 108101 ......... 3 ......... Container, top
22 ....... 539 108102 ......... 3 ......... Container, bottom
23 ....... 532 192603 ......... 1 ......... Seal, cover
24 ....... 532 130895 ......... 2 ......... Handle, bagger cover
25 ....... 539 976977 ......... 14 ........ Nut, #10-24, crownlock
........... 539 108447 ......... 1 ......... Decal, CE, (Not shown)
........... 539 108163 ......... 1 ......... Decal, Catcher, (Not shown)
15
Page 16
PARTS
1
2
3
16
9
8
7
4
6
5
Page 17
PARTS
ITEM PART NO. QTY. DESCRIPTION
1 ......... 539 990598 ......... 4 ......... Washer, 1/4
2 ......... 539 107899 ......... 4 ......... HCS, 5/16-18 x 3/4, Gr8
3 ......... 539 113090 .......... 1 ......... Rear Collection Hitch
4 ......... 539 113177 .......... 1 ......... Weight, Cast
5 ......... 539 990588 ......... 2 ......... HCS, 3/8-16 x 2, Gr5
6 ......... 539 976979 ......... 2 ......... Nut, 3/8-16, nyloc
7 ......... 539 113225 .......... 2 ......... Weight bracket
8 ......... 539 113182 .......... 2 ......... Screw, #10-12 x 1, wash hd
9 ......... 539 113183 .......... 6 ......... Screw, #10-12 x 1 1/4, wash hd
17
Page 18
TORQUE SPECIFICATIONS
HEX HEAD CAP SCREWS
The torque values shown should be used as a general guidline when specific torque values are not given.
U.S. Standard Hardware
Grade
SAE grade 5 SAE grade 8
ft./lbs
Nm ft./lbs
Nm ft./lbs Nm
1/4 9 12 13 18
5/16 18 24 28 38 24 33
3/8 31 42 46 62 40 54
7/16 50 68 75 108
1/2 75 102 115 156
9/16 110 150 165 224
5/8 150 203 225 305
3/4 250 339 370 502
7/8 378 513 591 801
1 583 790 893 1211
1 1/8 782 1060 1410 1912
Flangelock Screw
w/ Flangelock Nut
Shank Size (Diameter in inches, fine or coars e thread)
** Grade 5 - Minimum commercial quality (Lower quality not recommended)
Metric Standard Hardware
8.8
10.9
Grade 12.9 Grade 8.8 Grade 10.9Grade
ft./lbs Nm ft./lbs Nm ft./lbs Nm
M4 1.5 2 2.2 3 2.7 3.6
M5 3 4 4.5 6 5.2 7
M6 5.2 7 7.5 10 8.2 11
M78.21112 16 1520
M8 13.5 18 18.8 25 21.8 29
M10 24 32 35.2 47 43.5 58
M12 43.5 58 62.2 83 75 100
M14 70.5 94 100 133 119 159
M16 108 144 147 196 176 235
M18 142 190 202 269 242 323
M20 195 260 275 366 330 440
M22 276 368 390 520 471 628
M24 353 470 498 664 596 794
M27 530 707 474 996 904 1205
12.9
Shank Size (Diameter in millimeters , fine or coarse thread)
Page 19
Page 20
HTC
401 N. Commerce St.
Beatrice, NE 68310
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