Masport ROTARY MOWER Owner's Manual download pdf (Page 7)

583152 - Masport Lawnmower Owner’s Manual - May ‘14

MANUAL START MODELS. If the engine

has not been running recently, set the engine

control to the CHOKE position. For Pulsa Prime

engines (which have no CHOKE marking or

symbol on the control), push the primer bulb

on the side of the engine by the carburettor,

refer engine owner’s manual. (Do this also if

you have just reﬁlled the tank after running out

of fuel). Grasp the starter grip, pull slowly until

a resistance is felt and then pull forcefully to

prevent kick-back. Repeat until the engine starts.

Do not pull the cord with a jerk or release it until

fully rewound.—When the engine starts and has

warmed up for a short time, move the control to

the desired speed. Should the engine not start

due to ‘ﬂooding’, move the control to SLOW and

pull the starter six times to clear the ﬂooding.

ELECTRIC START MODELS.

Please refer to the Electric Start instructions

supplied with your mower.

HINTS FOR EASY STARTING

1. Stand the mower on a paved drive or

path where the blade is clear of the

grass. If you must start on the lawn, move

to an already cut area and/or raise the

cutting height. Do not start the mower on

a gravel surface.

2. Start a warm engine with the control in

the SLOW position.

3. Keep the mower clean underneath.

HARD STARTING CHECK LIST

Look for these faults:-

FUEL 1. Insufﬁcient fuel in tank.

2. Fuel tap shut off.

3. Stale fuel.

4. Water or dirt in fuel.

5. Blocked air vent in fuel tank cap.

IGNITION 1. Loose spark plug wire.

2. Dirty spark plug electrodes.

3. Incorrect spark plug gap.

4.Incorrect spark plug type.

OTHER 1. Choked air ﬁlter (Dirt or oil).

2. Engine control cable

mis-adjusted.

3. Cutting blade obstructed.

STOPPING

Move the engine control to stop

DRIVE CONTROLS

To engage the mower drive, simply push forward

on the SP bail arm until it meets the handle grip.

Releasing the pressure on the bail will de-clutch

the drive mechanism. Naturally you may use the

mower as a push model by gripping the handle

in the normal way.

SP DRIVE CLUTCH CABLE ADJUSTMENT

1. Conﬁrm that the cable inner wire will move

at least 26 mm when the SP bail is moved

from the clutch disengaged (open- Fig1and

2) position to the engaged (closed-Fig3)

position against the handle. The ﬁrst 13mm

moves the lever of the gearbox(Fig4) to

the engaged position and the ﬁnal 13mm

gives the spring the desired 140N for the

required tension on the gearbox cones to

work properly without slipping under load.

Adjust the contour of the bail slightly if

necessary to achieve this wire stroke.

2. Wheel the mower backwards toward you

while gradually closing the SP bail, and

note the position of the bail when extra re-

sistance to backward movement indicates

that the drive clutch is just engaging. This

extra resistance should occur when the SP

bail is half way between open and closed

(Fig 5).

Fig 5 Fig 6

3. If the engagement point is incorrect,

adjust it by rotating the thumb-wheel on

the anchor block at the top of the cable

outer sleeve. Rotating the wheel clockwise

will move the clutch engagement point

nearer to the bail closed position, and anti-

clockwise will move it toward the bail open

position (Fig 6).

4. Conﬁrm that the adjustment is correct by

re-testing the engagement point.

5. Repeat this adjustment after 150 hours use

of the mower or at any time if the mower

drive seems to be slipping.

IMPORTANT: An incorrectly adjusted clutch

cable, or using the mower with the SP bail not

fully against the handle will cause clutch slip-

page, gearbox overheating and serious gearbox

damage.

CAUTION

Adjust only to provide positive drive. Excess

pressure will cause cable and belt stretch.

VARIABLE SPEED MODELS

Some models have an extra control mounted at

the side of the handle to allow the travel speed

of the mower to be varied without changing the

engine speed. This control moves into an one

of eight positions. Move the lever forward to

increase travel speed and backward to lower it.

THIS LEVER SHOULD BE MOVED ONLY

WHILE THE ENGINE IS RUNNING.

[If it is inadvertently moved back when the en-

gine is stationary the drive belt will slacken and

slip. To regain traction, move the lever forward

with the drive disengaged and the engine run-

ning.]

Speed changes can be made whether the

mower is moving or not.

THE GRASS CATCHER

CATCHER ASSEMBLY

There are three catcher types:

A. Bag Catcher

B. Moulded Plastic Catcher

C. Aero Catcher (moulded plastic top sections

with fabric side panels.)

A. BAG CATCHER

1. Slide the bag over the wire frame. Fit the

plastic clip up under the frame crossmem-

ber (the one which is formed into a handle)

and hook the clip onto the wire cross-

member. You may need a lever such as a

screwdriver to open one end of the clip to

get it started over the wire.

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Masport ROTARY MOWER Owner's Manual Page 7

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