Document Ref 941113-001 Rev 2 Page 5-19
Quantium 310 Maintenance Manual Maintenance Procedures - Electronics
5.10 Replacing the HOM Board
Before starting the maintenance procedure, please refer to section 2.
Ensure the dispenser is isolated and all power is turned off.
The Hydraulic Option Module (HOM) Board is accessed from side B of the calculator
head (see section 2.3 for the identification of the dispenser sides).
Tools required
•Replacement HOM Board (refer to the Parts Manual for exact part identification)
•Replacement W&M seals
•Flathead screwdriver
•Long nose pliers
Description of Parts
INSTRUCTIONS
1) Follow the instructions given in section 2.5 to gain access to
the calculator head side B of the dispenser.
2) Locate the HOM Board on side B of the calculator head (on
the RHS facing side B).
3) Use the wirecutters to cut the W&M seals on the sealed pulser
connection on the HOM Board.
4) Use a flathead screwdriver to loosen and remove the single
screw on the pulser connection sealing bracket. Remove the
bracket completely and place in a safe position.
5) Disconnect ALL cables from the HOM board.
Note: Take care to note the position of the cables on the
HOM Board.
HOM
BOARD
PULSER SEALING
BRACKET
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