MAINTENANCE
29
7/73 - 10/53
After a filter change or running the fuel tank dry, make sure there is fuel
in the
v
ehicle
fuel tank.
Unlock the manual priming pump handle by turning it counter-
clockwise. Pump the primer handle until resistance is felt and the
handle can not be pumped anymore (approximately 140 to 150 strokes
for dry filters, or 20 to 60 strokes for pre-filled filters).
Lock the manual priming pump handle.
Crank the engine. If the engine does not star after 30 seconds, turn the
key to the OFF position.
Pump the priming pump again, repeating the previous steps until the
engine starts.
When the engine does start, it may operate erratically and with
increased noise levels for a few minutes. This is a normal condition as
air is being removed from the system.
Operate the engine and check for leaks.
HOSES
All components of the engine cooling air intake system should be
checked periodically to keep the engine at peak efficiency.
At the recommended intervals, (see the
SERVICE/MAINTENANCE
CHART
), inspect all of the intake lines to the air filter, and all flexible
hoses used for air lines, oil lines and fuel lines.
Periodically inspect all pipework for cracks, leaks, etc. and replace
immediately if damaged.
ELECTRICAL SYSTEM
Inspect the safety shutdown system switches and the instrument panel
relay contacts for evidence of arcing and pitting. Clean where
necessary.
Check the mechanical action of the components.
Check the security of electrical terminals on the switches and relays i.e.
nuts or screws loose, which may cause local hot spot oxidation.
Inspect the components and wiring for signs of overheating i.e.
discolouration, charring of cables, deformation of parts, acrid smells
and blistered paint.
BATTERY
Keep the battery terminals and cable clamps clean and lightly coated
with petroleum jelly to prevent corrosion.
The retaining clamp should be kept tight enough to prevent the battery
from moving.
PRESSURE SYSTEM
At 500 hour intervals it is necessary to inspect the external surfaces of
the system (from the airend through to the discharge valve(s))
including hoses, tubes, tube fittings and the separator tank, for visible
signs of impact damage, excessive corrosion, abrasion, tightness and
chafing. Any suspect parts should be replaced before the machine is
put back into service.
TYRES/TYRE PRESSURE
See the
GENERAL INFORMATION
section of this manual.
RUNNING GEAR/WHEELS
Check the wheel nut torque 20 miles (30 kilometres) after refitting the
wheels. Refer to the
TORQUE SETTING TABLE
later in this section.
Lifting jacks should only be used under the axle.
The bolts securing the running gear to the chassis should be checked
periodically for tightness (refer to the
SERVICE/MAINTENANCE
CHART
for frequency) and re-tightened where necessary. Refer to the
TORQUE SETTING TABLE
later in this section.
BRAKES
Check and adjust the brake linkage at 500 miles (850Km) then every
3000 miles (5000Km) or 3 months (whichever is the sooner) to
compensate for any stretch of the adjustable cables. Check and adjust
the wheel brakes to compensate for wear.
Adjusting the overrun braking system (KNOTT Running Gear)
1. Preparation
Jack up the machine
Disengage the handbrake lever [1].
Fully extend the draw bar [2] on the overrun braking system.
Requirements:
During the adjustment procedure always start with the wheel brakes.
Always rotate the wheel in the direction of forward movement.
Ensure that an M10 safety screw is fitted to the handbrake pivot.
CAUTION:
Do not engage the starter motor for more than 30
seconds at a time. Allow two minutes between cranking intervals.
NOTE:
To prevent damage to the hand pump priming seals, clean
the fuel pump head and priming pump with Quick Dry Spray Cleaner,
Part Number 3824510, or equivalent, and compressed air prior to
priming the fuel system.
NOTE:
It is not necessary to vent air from the high pressure fuel
system before starting the engine. Cranking the engine will prime the
fuel system.
NOTE:
It is possible that Fault Code 559 may become active after
fuel filter replacement, due to air introduced in the system. Ensure
that the engine is run until the air is purged.
WARNING: Always disconnect the battery cables before
performing any maintenance or service.
1. Handbrake lever
2. Draw bar and bellows
3. Handbrake lever pivot
4. Transmission lever
5. Brake cable
6. Breakaway Cable
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