One of the most important factors in the performance and durability of any vehicle is its lubrication. This is especially true of the Land-Rove because of the diverse conditions under which it may be called upon to perform. We are in your hands; not being able to stand over you and see that you put the right lubricant in the right place at the right time, we can only lay down instructions and hope that they will be carried out. You are earnestly advised, however, that the maximum amount of you have a right to expect from your Land-Rover will only be obtained if due and regular attention is given to the vital subject of lubrication.
The lubricants recommended
for use on the Land-Rover will be found on Pages 32 and 33,
In cold weather, starting the engine may prove to be a serious problem if oils heavier than those indicated are used and they would also affect fuel economy and engine life, so when ordering your oil be careful to state the GRADE as well as the MAKE.
"Trouble-free service will only be
obtained if due attention is given
We would advise you that we cannot hold ourselves responsible for damage arising from the use of any additive to our recommended lubricants. The oils we have selected are complete in themselves and afford every protection in use. A warning is necessary against the addition of any oils or other products, as these may materially impair the character of the lubricant in use by dilution and so reduce its viscosity to danger point.
The pages which follow give complete instructions regarding the grade and quantity of lubricant required for all parts of the vehicle; it should be realised, however, that the intervals at which lubrication is carried out must depend largely on the conditions of service under which any individual vehicle is operated. The mileage intervals indicated should be adhered to when your Land-Rover is mainly used for road work, but it is difficult to quote accurate equivalent time intervals when the vehicle is employed on field work or as a mobile power plant, owing to the diversity of such applications. An attempt has been made to give average intervals in terms of operation hours and these should be followed as a general guide, but in many cases this will largely be a matter that must be left to the good judgment of the operator; obviously in dry dusty weather, certain operations must be carried out much more frequently than during rainy spells.
It should be constantly borne in mind that "over-lubrication," i.e., lubrication attention at comparatively short intervals, cannot do the slightest harm to the vehicle, whereas the converse certainly can (and very often will) seriously shorten its effective service life.
For convenience, the main lubrication points are shown on the plan views at Figs. 4 and 5 and the more important attentions repeated in the " summary of points requiring regular attention on Pages 31, 34, 35.
taking a reading of the oil-level by means of the dip-stick, the vehicle
must be placed on level ground and the engine should be stationary long
enough to allow the oil to drain back into the sump from the cylinder walls
and overhead rocker gear, etc., a process which normally takes about 30
Remove the dip-stick by pulling it straight upwards out of its socket, making sure that no dirt drops into the sump; wipe the rod clean, re-insert to its full depth and remove a second time to take the reading.
"On no account should it
fall below the 'L' mark"
Do not fill beyond the H mark,
otherwise you may experience trouble with sooted plugs and the engine
may require more frequent decarbonisation than is really necessary.
Except under tropical or severe winter conditions, it is recommended that the oil placed in the crankcase by the manufacturer be used for the first 750 miles (1.000 Km.) or 25 hours. Under such conditions, the engine oil should be changed immediately upon receipt of the vehicle to the appropriate grade as shown in this manual. At 750 miles (1.000 Km.) or 25 hours the oil should be changed.
Thereafter, under good ROAD conditions, the engine oil need only be changed at intervals of 3,000 miles (5.000 Km.) provided that the EXTERNAL OIL FILTER is changed at every 6,000 miles (10.000 Km.).
When the vehicle is used primarily for industrial or dusty FIELD work, the oil should be changed at each 75 hours, provided that the EXTERNAL OIL FILTER is changed at every 300 hours.
It cannot be too strongly emphasised that, should the oil filter not be replaced at these intervals, the engine oil must be changed more frequently.
DRAINING THE SUMP.
In addition to the oil pump intake filter the oil is cleaned by means of an AC. type ZS1 pressure filter mounted externally on the engine. This filter continually cleans a proportion of the oil drawn from the front end of the bearing gallery pipe, the return being direct to the sump by external pipeline (Fig. 7).
It should be renewed at intervals
not exceeding 6,000 miles (10.000 Km.) if the vehicle is used primarily
on the road and at every 300 hours if it is used mainly for fieldwork.
MAIN GEARBOX LUBRICATION.
Fig. 8. Rear Axel
A: Oil filler/ Level Plug
FRONT AND REAR PROPELLER
FRONT AND REAR AXLE LUBRICATION.
Under extreme winter conditions,
the oil should be changed on receipt of the vehicle to the appropriate
TRACTA JOINT, SWIVEL PIN
AND FRONT HUB LUBRICATION.
Fig. 9. Front Axel (front view)
Fig. 10. Front axle (rear view)
A: Axle filler/level plug
SUMMARY OF POINTS REQUIRING REGULAR ATTENTION
Use only the recommended lubricants listed on the two following pages.
These maintenance items are
listed for the main part on a mileage basis, but it will be appreciated
that in many cases the necessity for attention is also, related to running
hours, especially where the vehicle is used largely for driving stationaty
equipment or slow-speed agricultural work.
AT FIRST 750 MILES (1.000
EVERY 1,000 MILES (1.500