Repair
Engine and Upper Machine Components
wc_tx001546gb.fm
49
4.11
Tillotson Carburetor (BS 500/600/700/650 only)
See Graphic: wc_gr001308rm
Recommended Tools
Ratchet Wrench
Torque Wrench
Hex Key or Hex Socket: 4 mm, 6 mm
Screwdriver
Loctite 243 (blue)
The Tillotson carburetor uses a fixed low and high speed fuel jet. The
only adjustment is to set the engine idle speed.
Refer to section
Technical Data
for the correct idle and operating rpm.
For best accuracy, use a tachometer when making carburetor
adjustments.
NOTICE:
The engine is lubricated by the fuel mixture; running the
engine too lean could cause it to overheat.
High Altitude Operation
The WM 80 engine used in the rammers is designed to operate most
efficiently at normal altitudes (1524 meters) (up to 5000 ft.). At high
altitudes (1524 meters) (above 5000 ft.) minor modifications to the
carburetor can be made to improve its performance. All modifications
must be performed by an authorized WACKER dealer. Contact
WACKER Corporation for more information.
High altitude operations involve modifications to the engine air/fuel
mixture. At normal altitudes, these modifications can be damaging to
the engine components. When returning the rammer to normal altitude
operation, remember to reset the carburetor to its standard
specifications.
Setting Idle Speed Adjustment
4.11.1 Start the engine and allow it to warm up to operating temperature.
4.11.2 Set the engine idle speed with the engine running at idle and the choke
(a)
fully open. Adjust the idle speed screw
(b)
in or out to obtain the
correct idle speed.
NOTICE:
DO NOT
turn the adjusting screw in too tightly or you may
damage the carburetor.
Removing the Carburetor
4.11.3 Remove the three socket head cap screws holding the carburetor
guard to the engine. When reinstalling the carburetor guard, apply
Loctite 243 and torque the screws to 23 Nm (17 ft. lbs.).
Summary of Contents for BS 50
Page 8: ...8 wc_br0114549en_11TOC fm Table of Contents Rammmer Repair 10 16 DS 70 148 10 17 DS 720 150...
Page 26: ...Maintenance Schedules Rammer Repair 26 wc_tx001545gb fm Notes...
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Page 54: ...Engine and Upper Machine Components Repair 54 wc_tx001546gb fm wc_gr001313rm a b d e c f...
Page 56: ...Engine and Upper Machine Components Repair 56 wc_tx001546gb fm e b c d wc_gr004562 a g f...
Page 61: ...Repair Engine and Upper Machine Components wc_tx001546gb fm 61 w c _ g r 0 0 1 3 1 5 r m...
Page 70: ...Engine and Upper Machine Components Repair 70 wc_tx001546gb fm wc_gr002935 d a b e c d...
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Page 84: ...Engine and Upper Machine Components Repair 84 wc_tx001546gb fm BS Models...
Page 94: ...Ramming System Rammer Repair 94 wc_tx001547gb fm Notes...
Page 98: ...Ramming System Rammer Repair 98 wc_tx001547gb fm wc_gr001325rm Threaded Rod Method...
Page 114: ...Crankcase Rammer Repair 114 wc_tx001548gb fm Notes...
Page 121: ...Rammer Repair Oil Injection if equipped wc_tx001549gb fm 121 wc_gr001526 a b c d...
Page 123: ...Rammer Repair Oil Injection if equipped wc_tx001549gb fm 123 wc_gr001527 a b...
Page 147: ...Rammer Repair Technical Data wc_td000112gb fm 147 Notes...
