4
D.
PUMP MODEL IDENTIFICATION
This service manual covers the K12DHZ-312P pump. Model of pump is identified on pump nameplate.
Refer to Pump assembly drawing and Table 2 for instructional keys when using this manual.
K 12D H Z 312 P
Design Modification
1
st
Letter Designator
(Seal Design)
H- Positive Drive
(Viton O-Ring Fitted,
Hi-Temp Bearing)
2
nd
Letter Designator
High Pressure Fuel Pump
Series
Lead and Rotation
P = 1.6D, CW
Rotor Size
312
E. ORDERING
INSTRUCTIONS
When corresponding with Imo Pump regarding K12DHZ-312P pumps, refer to pump nameplate, this
service manual, and assembly drawing as instructed below:
1. From pump nameplate, record the pump model number, serial number and manufactured date.
2. Record service manual number, revision and date.
3. From assembly drawing and/or parts list (table 2) in manual, provide identification numbers(s) and
names for replacement part(s).
4. Give above information to your Imo service representative.
Imo sales and service representatives are listed herein and in General Instruction Manual, SRM00046.
F. OPERATION
F.1 LIQUID
LIMITATIONS
CAUTION
ATTENTION
Never operate with water. Pump is designed for liquids having general characteristics of oil.
Summary of Contents for IMO 3220/523
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