| ROOTES MANUAL WSM.143 |
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Page 15
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| General Data |
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| COOLING SYSTEM- continued |
'260'
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'289'
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| Thermostat Opens at- |
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"
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- Low temp (Standard fitting)
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155/162 deg. F. (68/72 deg. C.) |
"
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- High temp.
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185/192 deg. F. (85/89 deg. C.) |
"
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| Thermostat -fully opens at |
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- Low temp (Standard fitting)
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182 deg. F. (83 deg. C.) |
"
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- High temp
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210/212 deg. F. (99/100 deg. C.) |
"
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| Radiator - Type |
Cross-flow |
"
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| - Relief valve |
In filler cap ; 13 lbs./in2. (.91 kg./cm2.) |
"
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| Drain taps location - Radiator (1 tap) |
L/H side of bottom tank |
"
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| - Cylinder block (2 hex plugs) |
R/H side, forward of engine mounting |
"
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| Fan belt - Width at outside |
15/32 in. (11.9 mm.) |
"
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| - Outside length |
49.5 in. (125.7 cm.) |
"
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| - Depth |
.30/.40 in. (7.6/10.1 mm.) |
"
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| - Angle of "V" |
36 deg. |
"
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| Tension - New |
100/140 lbs. (49.9/63.5 kg.) |
"
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| - Used |
80/110 lbs. (36.3/49.9 kg.) Equivalent to |
0.5 in. (12 mm.) total up and down movement |
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| FUEL SYSTEM |
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| Engine idling speed |
575-600 r.p.m. |
As '260'
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| Fuel pump - Type |
S.U. Electric (AUF.301) |
S.U. Electric (AUF 303)(Also used on '260') |
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- Location
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Under rear seat |
In rear compartment |
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- Delivery Rate
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15 gallons per hour (68 litres per hour) |
As '260'
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- Delivery head
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48 in. (122 cm.) maximum |
As '260'
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| Fuel filter - Location |
Front of engine |
Front of rear compartment. |
| Carburettor-Make |
Ford |
Ford |
| -Type |
C4DF-9510-E |
C6DF-A |
| Settings |
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| Throttle bore |
1.4375 in. (36.51 mm.) |
As '260'
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| Choke (venturi) bore |
1.010 in. (25.65 mm.) |
1.145 |
| Booster choke code letter |
'H' |
"G" |
| Power valve timing |
6.5/8.5 @ HG in |
Not Given |
| Choke plate clearance |
7/64 in. (2.8 mm.) |
9/64 in. (3.6 mm.) |
| Fast idle cam setting |
3/32 in. (2.38 mm.) |
As '260'
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| Power valve identification |
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| - 0 to 5000 ft. (1,525 m.) |
No. 75 green |
Red |
| - 5,000 to 10,000 (3,050 m.) |
No. 65 yellow |
Plain |
| - 10,000 to 15,000 (4,575 m.) |
No. 55 black |
Plain |
| Initial idle mixture adjustment |
1/1 - 1/2 turns back from bottomed
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needle As '260'
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| Fuel level setting (wet) .Below top machined surface of carburettor body. |
3/4 +/- 1/32 in (19.05 +/- .79 mm.) |
7/8 +/- 1/32 (22.2+/-0.8 mm.) |
| Fast (cold) idle adjustment |
1,300 r.p.m |
1400 r.p.m. |
| Choke thermostatic spring identification |
'TN' |
Choke spring cover 'TW' |
| Main metering jet |
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- 0 to 5,000 ft (1525 m)
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44 F. |
51F |
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- 5,000 to 10,000 ft. (3050 m.)
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42 F. |
49F |
| -10,000 to 15,000 ft. (4575 m.) |
40 F. |
49F |
| Accelerator pump setting (See Section C) |
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| -Pump lever |
Inboard hole -- nearest lever
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pivot Inboard hole nearest lever pivot |
| Throttle lever |
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| 80 deg. F. (26.7 deg. C) and above |
No. 2 hole |
No. 3 hole |
| 40 deg. F. (4.4 deg. C) to 80 deg. F. (26.7 deg. C) |
No. 3 hole |
No. 4 hole |
| 40 deg. F. (4.4 deg. C) and below |
No. 4 hole |
No. 4 hole |
**
