Instruments - MASSEY FERGUSON MF 135 Operator's Manual

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operator can
select an amount of weight to
be transferred
to the Tractor rear wheels
when using pull-type
implements.
Constant
Pumping Range:
Moving the
inner quadrant lever
to the constant pumping
range provides
a constant volume of oil from
the Advanced Ferguson
System pump for op-
eration of
certain (accessory) auxiliary con-
trol valves.
Fig.
l 0 -
Response Control
Lever
Response
Control Lever (See
Fig.
10)
The
response control lever is used in
conjunction
with the Draft Control Lever
for controlling
the rate at which the Draft
Control system
responds to draft loads. It
also governs
the lowering rate of implements
in Draft Control
and Position Control ranges.
Fig.
11 -
Instruments
- 5 -
INSTRUMENTS (See Figs. 11 and 12)
The instrument panel on the MF
135
Deluxe,
Vineyard and Orchard Tractors
have a tachometer, oil pressure gauge, fuel
gauge, water temperature gauge and am-
meter gauge, and is lighted by electro-lum-
inesence lighting.
The instrument panel on
the MF 135 Special Tractor has a
water
tem-
perature gauge and oil pressure gauge and
is not lighted.
The function of the gauges
are as follows:
Tachometer (See Fig. 11)
The tachometer indicates engine rpm,
standard PTO and belt pulley speeds. Win-
dow shows accumulated engine hours at an
average of 1875 engine rpm.
Water
Temperature
Gauge
(See Figs. 11 and
12)
The water temperature gauge indicates
the engine water temperature. Normal en -
gine temperature is when the indicator is
registering in the white portion of the dial.
If
the indicator registers in the red portion
of the dial, the engine is overheating.
If
the
engine overheats, determine the cause 9,n.d
correct
it
before continuing to operate the
Tractor.
Ammeter (See Fig. 11)
The ammeter indicates the rates of bat-
Fig. 12 -
Instruments (Special
Tractor)

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