12
Installation
1. Engine bearers
Engine mounting bearers or framework must be of rigid construction and
neither deflect nor twist when subjected to the weight of the engine and any
ancillary equipment.
2. Erection
(a) Installation drawings are obtainable from Petters Ltd or their agents
(b) Provision must be made for:
(i) Oil filler cap removal and oil draining.
(ii) Fuel and oil filler and air cleaner maintenance.
(iii) Starting and operation of controls
(c) Only good quality holding down bolts or studs may be used. Set-screws
must NOT be used.
(d) Petters Ltd or their agents should be consulted in the following cases:
(i) Before proceeding with any new form of installation.
(ii) Where the use of anti-vibration mountings is contemplated.
(An unsuitable choice can be dangerous)
(iii) When a portable installation is contemplated. In this instance a
Petter engineer should be present when the initial installation is
made
(e) On direct driven sets the driving and driven units must belined up and a
flexible coupling fitted
3. Exhaust
(a) An exhaust manifold flange is available from Petters Ltd or their agents
and is tapped to enable a threaded exhaust pipe to be fitted.
(b) Exhaust pipe sizes are as follows:
(i) AB1W. This flange is tapped 1in BSP and is suitable for exhaust
pipe lengths up to 18in (457mm). For lengths from 18in (457mm)
to 10ft (3m) and from 10ft (3m) to 20ft (6m) the manifold must be
adapted and exhaust pipes of 1 1/2in BSP and 2in BSP
respectively used.
(ii) AC1W. This flange is tapped 11/2 in BSP and is suitable for
exhaust pipe lengths up to 6ft (1.83m)
For lengths from 6ft (1.83m) to 20ft (6m), the manifold must be
adapted and an exhaust pipe of 2in BSP used
(iii) For exhaust pipe sizes for lengths in excess of 20ft (6m). consult
Fetters Ltd or their agents
(c) An acoustic type silencer for fitting to an exhaust pipe is obtainable
from Potters Ltd or their agents. It is important that the thread size of
this type of silencer is the same as that of the exhaust pipe, and that a
tail-pipe is fitted. The length of the tail-pipe must be ten times the
inside diameter of the exhaust pipe. ie a tail-pipe 15in (381mm) long
must be fitted to a 11/2 in BSP acoustic silencer.
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