TP0003B
BM BULKMETER
Chap 5
Page 5
SERVICING
5.9 Recover the compression spring (13) from the rear inner cover.
5.10 Do not remove the manifold (55) unless defective or to change seals (48) and (50).
UNDER NO CIRCUMSTANCES attempt to remove the rear inner cover (6).
5.11 Before dismantling the rotor assembly the relative positions of the vanes and recesses should be
noted; mark each vane and recess with a pencil or similar medium to assist re-assembly. The vanes,
if serviceable, must be re-assembled into their original positions.
5.12 Remove the split pins (44) from each vane rod (40). Place Spring Plate over springs (42). Set the
toggle clamp tool to 26mm (1.031 in) and place CENTRALLY in position over vane as shown in
Fig. 5.3
Note: Special care must be taken not to damage the vane surface.
5.13 Withdraw vane from the rotor, and remove washers (41).Note the relative positions of the washers
(41) which must be refitted in their original positions.
FIG 5.3 USE OF TOGGLE CLAMP TOOL TAMS5072
SPRING PLATE
TASS5073
VANE
ADJUSTING NUTS
SPRING
SPLIT PIN
TOGGLE CLAMP
TOOL (TAMS5072)
VANE ROD
PLATE
SPRING
PLATE
VANE ROD
5.14 Withdraw the remaining vane complete with vane rods, from the rotor (26). Do not remove the vane
from the rods unless it is damaged or excessively worn.
IMPORTANT: Do not unscrew the adjusting nuts (43) as their removal will disturb the overall vane
clearance on re-assembly.
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