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GEAR BOX LUBRICATION
Use one of the grades of Oils specified.
In no circumstances must heavy grease be used.
Lubricant is inserted through the filler cap orifice mounted on top edge of kick-starter
case cover.
The gear box must not be entirely filled with oil, and, under normal conditions, the
addition of two fluid ounces of oil every 1,000 miles will be sufficient.
Excessive oil will cause leakage.
A screwed drain plug in gear box shell, low down at rear, facilitates gear box flushing
and change of lubricant.
An oil level plug, adjacent to K-S spindle, Indicates maximum
permissible oil level (content 1 pint).
HUB LUBRICATION
Keep hubs packed with grease. This prevents entry of water and dirt. Grease nipples
accessible through hole in hub disc. Inject small quantity of grease. Excessive grease
may impair efficiency of brakes.
BRAKE DRUM BEARING (SPRING FRAME MODELS ONLY)
The independent ball bearing upon which the rear brake drum is mounted on spring
frame models is packed with grease upon assembly and requires no further attention
for a considerable time.
During a general overhaul however it is recommended that the bearing is dismantled
and re-packed with fresh hub grease.
CHAIN LUBRICATION
Front driving chain and dynamo chain run in oil bath.
(Front chaincase.)
Use engine
oil.
Maintain level to height of the inspection cap opening.
Oil in front chaincase also lubricates the engine shock absorber.
Transmission harshness
generally indicates level of oil in chaincase Is too low.
Remove chaincase inspection cap each week. Inspect level of oil, top-up as necessary.
To remove inspection cap :—
Unscrew knurled screw about four turns.
Slide cap sideways, till the back plate can be slipped through the opening, and take away
the complete cap assembly.
When replacing Inspection cap, centralise cork washer and then fully tighten knurled
screw.
Essential this is kept tight otherwise cap assembly will be lost.
Rear driving chain should be removed occasionally for lubrication particularly under
winter conditions.
Clean chain in paraffin, allow to drain and wipe.
Then immerse in one of the greases
recommended, heated to just fluid state. Leave in soak for at least ten minutes while
maintaining grease fluidity. Then hang to drain off surplus and replace.
Engine oil is a poor substitute for one of the recommended greases and if used the chain
should be allowed to soak for several hours to ensure penetration to all joints, hanging
to drain off surplus before refitting.
See chain removal and refitting instructions, page 49.
Magneto chain runs in case packed with grease.
BRAKE EXPANDER LUBRICATION
Grease nipple on each brake expander bush.
(One on each brake cover plate.)
Use
grease sparingly.
Excessive grease may impair efficiency of brakes.
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