[221 Cd] Econovance; Installation; [221 Gp] Fuel Injection Pump - Mack E7 Service Manual

5-101.bk Page 66 Friday, March 17, 2006 11:05 AM

[221 CD] ECONOVANCE

Installation

Refer to Figure 6-76.
1. Lubricate with clean engine oil and then
install O-ring in groove on front of
Econovance assembly (5).
2. Position the Econovance assembly (5) on
the mounting surface of the engine front
flange. You may have to rotate the
Econovance shaft to clear the camshaft
gear.
3. Install the four capscrews (4) securing the
assembly to the front flange. Torque to
40 lb-ft (54 N m) using torque wrench
J 24407 or equivalent. Check for binding.
4. Slide the drive coupling (3) into the splines
(6) of the shaft (pre-1992 style shown).
5. Install the fuel injection pump adapter (2)
and gasket (not shown) on the Econovance
housing (5). Torque the mounting capscrews
(1) to 40 lb-ft (54 N m).
For installation of the fuel injection pump drive
gear, refer to Injection Pump Fixed-Timing
procedure found in the SETUP AND
ADJUSTMENTS section.
4
3
2
1
Figure 6-76 — Econovance Housing Installation
(Pre-1992 Style Shown)
1. Mounting capscrew
2. Injection pump adapter
3. Drive coupling
Page 6-66
200 ENGINE ASSEMBLY
[221 GP] FUEL INJECTION
PUMP
Installation
This procedure is described and illustrated with
pump-to-Econovance adapter installed on pump.
To install the fuel injection pump:
Install the outer coupling on the Econovance
5
mating gear prior to fuel injection pump
installation. This will prevent the outer coupling
from dropping off if installed on the pump prior to
installation.
6
200364a
4. Capscrew
5. Econovance
6. Splines
1. Install two J 39732 alignment dowels in the
Econovance housing. Install a new injection
pump adapter housing to Econovance
gasket over the alignment dowels.
J 39732
Figure 6-77 — Installing Alignment Dowels
200440a